20163860368

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{229}}^1\times {\mathrm{90217}}^1$

素因数の和:90515

約数の個数: 40

約数和(自身を含む): 39881769080

約数和(自身を除く): 19717908712

約数列:

[1, 2, 4, 8, 16, 61, 122, 229, 244, 458, 488, 916, 976, 1832, 3664, 13969, 27938, 55876, 90217, 111752, 180434, 223504, 360868, 721736, 1443472, 5503237, 11006474, 20659693, 22012948, 41319386, 44025896, 82638772, 88051792, 165277544, 330555088, 1260241273, 2520482546, 5040965092, 10081930184, 20163860368]

約数ペア:

[(1, 20163860368), (2, 10081930184), (4, 5040965092), (8, 2520482546), (16, 1260241273), (61, 330555088), (122, 165277544), (229, 88051792), (244, 82638772), (458, 44025896), (488, 41319386), (916, 22012948), (976, 20659693), (1832, 11006474), (3664, 5503237), (13969, 1443472), (27938, 721736), (55876, 360868), (90217, 223504), (111752, 180434)]