20717990640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{463}}^1\times {\mathrm{3271}}^1$

素因数の和:3772

約数の個数: 240

約数和(自身を含む): 73420538880

約数和(自身を除く): 52702548240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 171, 180, 190, 228, 240, 285, 304, 342, 360, 380, 456, 463, 570, 684, 720, 760, 855, 912, 926, 1140, 1368, 1389, 1520, 1710, 1852, 2280, 2315, 2736, 2778, 3271, 3420, 3704, 4167, 4560, 4630, 5556, 6542, 6840, 6945, 7408, 8334, 8797, 9260, 9813, 11112, 13084, 13680, 13890, 16355, 16668, 17594, 18520, 19626, 20835, 22224, 26168, 26391, 27780, 29439, 32710, 33336, 35188, 37040, 39252, 41670, 43985, 49065, 52336, 52782, 55560, 58878, 62149, 65420, 66672, 70376, 78504, 79173, 83340, 87970, 98130, 105564, 111120, 117756, 124298, 130840, 131955, 140752, 147195, 157008, 158346, 166680, 175940, 186447, 196260, 211128, 235512, 248596, 261680, 263910, 294390, 310745, 316692, 333360, 351880, 372894, 392520, 395865, 422256, 471024, 497192, 527820, 559341, 588780, 621490, 633384, 703760, 745788, 785040, 791730, 932235, 994384, 1055640, 1118682, 1177560, 1242980, 1266768, 1491576, 1514473, 1583460, 1864470, 2111280, 2237364, 2355120, 2485960, 2796705, 2983152, 3028946, 3166920, 3728940, 4474728, 4543419, 4971920, 5593410, 6057892, 6333840, 7457880, 7572365, 8949456, 9086838, 11186820, 12115784, 13630257, 14915760, 15144730, 18173676, 22373640, 22717095, 24231568, 27260514, 28774987, 30289460, 36347352, 44747280, 45434190, 54521028, 57549974, 60578920, 68151285, 72694704, 86324961, 90868380, 109042056, 115099948, 121157840, 136302570, 143874935, 172649922, 181736760, 218084112, 230199896, 258974883, 272605140, 287749870, 345299844, 363473520, 431624805, 460399792, 517949766, 545210280, 575499740, 690599688, 863249610, 1035899532, 1090420560, 1150999480, 1294874415, 1381199376, 1726499220, 2071799064, 2301998960, 2589748830, 3452998440, 4143598128, 5179497660, 6905996880, 10358995320, 20717990640]

約数ペア:

[(1, 20717990640), (2, 10358995320), (3, 6905996880), (4, 5179497660), (5, 4143598128), (6, 3452998440), (8, 2589748830), (9, 2301998960), (10, 2071799064), (12, 1726499220), (15, 1381199376), (16, 1294874415), (18, 1150999480), (19, 1090420560), (20, 1035899532), (24, 863249610), (30, 690599688), (36, 575499740), (38, 545210280), (40, 517949766), (45, 460399792), (48, 431624805), (57, 363473520), (60, 345299844), (72, 287749870), (76, 272605140), (80, 258974883), (90, 230199896), (95, 218084112), (114, 181736760), (120, 172649922), (144, 143874935), (152, 136302570), (171, 121157840), (180, 115099948), (190, 109042056), (228, 90868380), (240, 86324961), (285, 72694704), (304, 68151285), (342, 60578920), (360, 57549974), (380, 54521028), (456, 45434190), (463, 44747280), (570, 36347352), (684, 30289460), (720, 28774987), (760, 27260514), (855, 24231568), (912, 22717095), (926, 22373640), (1140, 18173676), (1368, 15144730), (1389, 14915760), (1520, 13630257), (1710, 12115784), (1852, 11186820), (2280, 9086838), (2315, 8949456), (2736, 7572365), (2778, 7457880), (3271, 6333840), (3420, 6057892), (3704, 5593410), (4167, 4971920), (4560, 4543419), (4630, 4474728), (5556, 3728940), (6542, 3166920), (6840, 3028946), (6945, 2983152), (7408, 2796705), (8334, 2485960), (8797, 2355120), (9260, 2237364), (9813, 2111280), (11112, 1864470), (13084, 1583460), (13680, 1514473), (13890, 1491576), (16355, 1266768), (16668, 1242980), (17594, 1177560), (18520, 1118682), (19626, 1055640), (20835, 994384), (22224, 932235), (26168, 791730), (26391, 785040), (27780, 745788), (29439, 703760), (32710, 633384), (33336, 621490), (35188, 588780), (37040, 559341), (39252, 527820), (41670, 497192), (43985, 471024), (49065, 422256), (52336, 395865), (52782, 392520), (55560, 372894), (58878, 351880), (62149, 333360), (65420, 316692), (66672, 310745), (70376, 294390), (78504, 263910), (79173, 261680), (83340, 248596), (87970, 235512), (98130, 211128), (105564, 196260), (111120, 186447), (117756, 175940), (124298, 166680), (130840, 158346), (131955, 157008), (140752, 147195)]