20123395520

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{953}}^1$

素因数の和:1163

約数の個数: 224

約数和(自身を含む): 53038126080

約数和(自身を除く): 32914730560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 32, 38, 40, 46, 64, 76, 80, 92, 95, 115, 151, 152, 160, 184, 190, 230, 302, 304, 320, 368, 380, 437, 460, 604, 608, 736, 755, 760, 874, 920, 953, 1208, 1216, 1472, 1510, 1520, 1748, 1840, 1906, 2185, 2416, 2869, 3020, 3040, 3473, 3496, 3680, 3812, 4370, 4765, 4832, 5738, 6040, 6080, 6946, 6992, 7360, 7624, 8740, 9530, 9664, 11476, 12080, 13892, 13984, 14345, 15248, 17365, 17480, 18107, 19060, 21919, 22952, 24160, 27784, 27968, 28690, 30496, 34730, 34960, 36214, 38120, 43838, 45904, 48320, 55568, 57380, 60992, 65987, 69460, 69920, 72428, 76240, 87676, 90535, 91808, 109595, 111136, 114760, 131974, 138920, 139840, 143903, 144856, 152480, 175352, 181070, 183616, 219190, 222272, 229520, 263948, 277840, 287806, 289712, 304960, 329935, 350704, 362140, 416461, 438380, 459040, 527896, 555680, 575612, 579424, 659870, 701408, 719515, 724280, 832922, 876760, 918080, 1055792, 1111360, 1151224, 1158848, 1319740, 1402816, 1439030, 1448560, 1665844, 1753520, 2082305, 2111584, 2302448, 2639480, 2734157, 2878060, 2897120, 3309769, 3331688, 3507040, 4164610, 4223168, 4604896, 5278960, 5468314, 5756120, 5794240, 6619538, 6663376, 7014080, 8329220, 9209792, 10557920, 10936628, 11512240, 13239076, 13326752, 13670785, 16548845, 16658440, 21115840, 21873256, 23024480, 26478152, 26653504, 27341570, 33097690, 33316880, 43746512, 46048960, 52956304, 54683140, 62885611, 66195380, 66633760, 87493024, 105912608, 109366280, 125771222, 132390760, 133267520, 174986048, 211825216, 218732560, 251542444, 264781520, 314428055, 437465120, 503084888, 529563040, 628856110, 874930240, 1006169776, 1059126080, 1257712220, 2012339552, 2515424440, 4024679104, 5030848880, 10061697760, 20123395520]

約数ペア:

[(1, 20123395520), (2, 10061697760), (4, 5030848880), (5, 4024679104), (8, 2515424440), (10, 2012339552), (16, 1257712220), (19, 1059126080), (20, 1006169776), (23, 874930240), (32, 628856110), (38, 529563040), (40, 503084888), (46, 437465120), (64, 314428055), (76, 264781520), (80, 251542444), (92, 218732560), (95, 211825216), (115, 174986048), (151, 133267520), (152, 132390760), (160, 125771222), (184, 109366280), (190, 105912608), (230, 87493024), (302, 66633760), (304, 66195380), (320, 62885611), (368, 54683140), (380, 52956304), (437, 46048960), (460, 43746512), (604, 33316880), (608, 33097690), (736, 27341570), (755, 26653504), (760, 26478152), (874, 23024480), (920, 21873256), (953, 21115840), (1208, 16658440), (1216, 16548845), (1472, 13670785), (1510, 13326752), (1520, 13239076), (1748, 11512240), (1840, 10936628), (1906, 10557920), (2185, 9209792), (2416, 8329220), (2869, 7014080), (3020, 6663376), (3040, 6619538), (3473, 5794240), (3496, 5756120), (3680, 5468314), (3812, 5278960), (4370, 4604896), (4765, 4223168), (4832, 4164610), (5738, 3507040), (6040, 3331688), (6080, 3309769), (6946, 2897120), (6992, 2878060), (7360, 2734157), (7624, 2639480), (8740, 2302448), (9530, 2111584), (9664, 2082305), (11476, 1753520), (12080, 1665844), (13892, 1448560), (13984, 1439030), (14345, 1402816), (15248, 1319740), (17365, 1158848), (17480, 1151224), (18107, 1111360), (19060, 1055792), (21919, 918080), (22952, 876760), (24160, 832922), (27784, 724280), (27968, 719515), (28690, 701408), (30496, 659870), (34730, 579424), (34960, 575612), (36214, 555680), (38120, 527896), (43838, 459040), (45904, 438380), (48320, 416461), (55568, 362140), (57380, 350704), (60992, 329935), (65987, 304960), (69460, 289712), (69920, 287806), (72428, 277840), (76240, 263948), (87676, 229520), (90535, 222272), (91808, 219190), (109595, 183616), (111136, 181070), (114760, 175352), (131974, 152480), (138920, 144856), (139840, 143903)]