20213846640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{271}}^1\times {\mathrm{613}}^1$

素因数の和:929

約数の個数: 360

約数和(自身を含む): 73900037952

約数和(自身を除く): 53686191312

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 169, 180, 195, 208, 234, 240, 260, 271, 312, 338, 360, 390, 468, 507, 520, 542, 585, 613, 624, 676, 720, 780, 813, 845, 936, 1014, 1040, 1084, 1170, 1226, 1352, 1355, 1521, 1560, 1626, 1690, 1839, 1872, 2028, 2168, 2340, 2439, 2452, 2535, 2704, 2710, 3042, 3065, 3120, 3252, 3380, 3523, 3678, 4056, 4065, 4336, 4680, 4878, 4904, 5070, 5420, 5517, 6084, 6130, 6504, 6760, 7046, 7356, 7605, 7969, 8112, 8130, 9195, 9360, 9756, 9808, 10140, 10569, 10840, 11034, 12168, 12195, 12260, 13008, 13520, 14092, 14712, 15210, 15938, 16260, 17615, 18390, 19512, 20280, 21138, 21680, 22068, 23907, 24336, 24390, 24520, 27585, 28184, 29424, 30420, 31707, 31876, 32520, 35230, 36780, 39024, 39845, 40560, 42276, 44136, 45799, 47814, 48780, 49040, 52845, 55170, 56368, 60840, 63414, 63752, 65040, 70460, 71721, 73560, 79690, 84552, 88272, 91598, 95628, 97560, 103597, 105690, 110340, 119535, 121680, 126828, 127504, 137397, 140920, 143442, 147120, 158535, 159380, 166123, 169104, 183196, 191256, 195120, 207194, 211380, 220680, 228995, 239070, 253656, 274794, 281840, 286884, 310791, 317070, 318760, 332246, 358605, 366392, 382512, 412191, 414388, 422760, 441360, 457990, 478140, 498369, 507312, 517985, 549588, 573768, 621582, 634140, 637520, 664492, 686985, 717210, 732784, 824382, 828776, 830615, 845520, 915980, 932373, 956280, 996738, 1035970, 1099176, 1147536, 1243164, 1268280, 1328984, 1373970, 1434420, 1495107, 1553955, 1648764, 1657552, 1661230, 1831960, 1864746, 1912560, 1993476, 2060955, 2071940, 2159599, 2198352, 2486328, 2491845, 2536560, 2657968, 2747940, 2868840, 2990214, 3107910, 3297528, 3322460, 3663920, 3729492, 3986952, 4121910, 4143880, 4319198, 4661865, 4972656, 4983690, 5495880, 5737680, 5980428, 6215820, 6478797, 6595056, 6644920, 7458984, 7475535, 7973904, 8243820, 8287760, 8638396, 9323730, 9967380, 10797995, 10991760, 11960856, 12431640, 12957594, 13289840, 14917968, 14951070, 16487640, 17276792, 18647460, 19436391, 19934760, 21595990, 23921712, 24863280, 25915188, 28074787, 29902140, 32393985, 32975280, 34553584, 37294920, 38872782, 39869520, 43191980, 51830376, 56149574, 59804280, 64787970, 74589840, 77745564, 84224361, 86383960, 97181955, 103660752, 112299148, 119608560, 129575940, 140373935, 155491128, 168448722, 172767920, 194363910, 224598296, 252673083, 259151880, 280747870, 310982256, 336897444, 388727820, 421121805, 449196592, 505346166, 518303760, 561495740, 673794888, 777455640, 842243610, 1010692332, 1122991480, 1263365415, 1347589776, 1554911280, 1684487220, 2021384664, 2245982960, 2526730830, 3368974440, 4042769328, 5053461660, 6737948880, 10106923320, 20213846640]

約数ペア:

[(1, 20213846640), (2, 10106923320), (3, 6737948880), (4, 5053461660), (5, 4042769328), (6, 3368974440), (8, 2526730830), (9, 2245982960), (10, 2021384664), (12, 1684487220), (13, 1554911280), (15, 1347589776), (16, 1263365415), (18, 1122991480), (20, 1010692332), (24, 842243610), (26, 777455640), (30, 673794888), (36, 561495740), (39, 518303760), (40, 505346166), (45, 449196592), (48, 421121805), (52, 388727820), (60, 336897444), (65, 310982256), (72, 280747870), (78, 259151880), (80, 252673083), (90, 224598296), (104, 194363910), (117, 172767920), (120, 168448722), (130, 155491128), (144, 140373935), (156, 129575940), (169, 119608560), (180, 112299148), (195, 103660752), (208, 97181955), (234, 86383960), (240, 84224361), (260, 77745564), (271, 74589840), (312, 64787970), (338, 59804280), (360, 56149574), (390, 51830376), (468, 43191980), (507, 39869520), (520, 38872782), (542, 37294920), (585, 34553584), (613, 32975280), (624, 32393985), (676, 29902140), (720, 28074787), (780, 25915188), (813, 24863280), (845, 23921712), (936, 21595990), (1014, 19934760), (1040, 19436391), (1084, 18647460), (1170, 17276792), (1226, 16487640), (1352, 14951070), (1355, 14917968), (1521, 13289840), (1560, 12957594), (1626, 12431640), (1690, 11960856), (1839, 10991760), (1872, 10797995), (2028, 9967380), (2168, 9323730), (2340, 8638396), (2439, 8287760), (2452, 8243820), (2535, 7973904), (2704, 7475535), (2710, 7458984), (3042, 6644920), (3065, 6595056), (3120, 6478797), (3252, 6215820), (3380, 5980428), (3523, 5737680), (3678, 5495880), (4056, 4983690), (4065, 4972656), (4336, 4661865), (4680, 4319198), (4878, 4143880), (4904, 4121910), (5070, 3986952), (5420, 3729492), (5517, 3663920), (6084, 3322460), (6130, 3297528), (6504, 3107910), (6760, 2990214), (7046, 2868840), (7356, 2747940), (7605, 2657968), (7969, 2536560), (8112, 2491845), (8130, 2486328), (9195, 2198352), (9360, 2159599), (9756, 2071940), (9808, 2060955), (10140, 1993476), (10569, 1912560), (10840, 1864746), (11034, 1831960), (12168, 1661230), (12195, 1657552), (12260, 1648764), (13008, 1553955), (13520, 1495107), (14092, 1434420), (14712, 1373970), (15210, 1328984), (15938, 1268280), (16260, 1243164), (17615, 1147536), (18390, 1099176), (19512, 1035970), (20280, 996738), (21138, 956280), (21680, 932373), (22068, 915980), (23907, 845520), (24336, 830615), (24390, 828776), (24520, 824382), (27585, 732784), (28184, 717210), (29424, 686985), (30420, 664492), (31707, 637520), (31876, 634140), (32520, 621582), (35230, 573768), (36780, 549588), (39024, 517985), (39845, 507312), (40560, 498369), (42276, 478140), (44136, 457990), (45799, 441360), (47814, 422760), (48780, 414388), (49040, 412191), (52845, 382512), (55170, 366392), (56368, 358605), (60840, 332246), (63414, 318760), (63752, 317070), (65040, 310791), (70460, 286884), (71721, 281840), (73560, 274794), (79690, 253656), (84552, 239070), (88272, 228995), (91598, 220680), (95628, 211380), (97560, 207194), (103597, 195120), (105690, 191256), (110340, 183196), (119535, 169104), (121680, 166123), (126828, 159380), (127504, 158535), (137397, 147120), (140920, 143442)]