20131676912

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{349}}^1\times {\mathrm{701}}^1$

素因数の和:1234

約数の個数: 80

約数和(自身を含む): 40520844000

約数和(自身を除く): 20389167088

約数列:

[1, 2, 4, 8, 16, 37, 74, 139, 148, 278, 296, 349, 556, 592, 698, 701, 1112, 1396, 1402, 2224, 2792, 2804, 5143, 5584, 5608, 10286, 11216, 12913, 20572, 25826, 25937, 41144, 48511, 51652, 51874, 82288, 97022, 97439, 103304, 103748, 194044, 194878, 206608, 207496, 244649, 388088, 389756, 414992, 489298, 776176, 779512, 978596, 1559024, 1794907, 1957192, 3589814, 3605243, 3914384, 7179628, 7210486, 9052013, 14359256, 14420972, 18104026, 28718512, 28841944, 34006211, 36208052, 57683888, 68012422, 72416104, 136024844, 144832208, 272049688, 544099376, 1258229807, 2516459614, 5032919228, 10065838456, 20131676912]

約数ペア:

[(1, 20131676912), (2, 10065838456), (4, 5032919228), (8, 2516459614), (16, 1258229807), (37, 544099376), (74, 272049688), (139, 144832208), (148, 136024844), (278, 72416104), (296, 68012422), (349, 57683888), (556, 36208052), (592, 34006211), (698, 28841944), (701, 28718512), (1112, 18104026), (1396, 14420972), (1402, 14359256), (2224, 9052013), (2792, 7210486), (2804, 7179628), (5143, 3914384), (5584, 3605243), (5608, 3589814), (10286, 1957192), (11216, 1794907), (12913, 1559024), (20572, 978596), (25826, 779512), (25937, 776176), (41144, 489298), (48511, 414992), (51652, 389756), (51874, 388088), (82288, 244649), (97022, 207496), (97439, 206608), (103304, 194878), (103748, 194044)]