20415671168

素因数分解:

$2^7\times {\mathrm{277}}^1\times {\mathrm{593}}^1\times {\mathrm{971}}^1$

素因数の和:1855

約数の個数: 64

約数和(自身を含む): 40929617520

約数和(自身を除く): 20513946352

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 277, 554, 593, 971, 1108, 1186, 1942, 2216, 2372, 3884, 4432, 4744, 7768, 8864, 9488, 15536, 17728, 18976, 31072, 35456, 37952, 62144, 75904, 124288, 164261, 268967, 328522, 537934, 575803, 657044, 1075868, 1151606, 1314088, 2151736, 2303212, 2628176, 4303472, 4606424, 5256352, 8606944, 9212848, 10512704, 17213888, 18425696, 21025408, 34427776, 36851392, 73702784, 159497431, 318994862, 637989724, 1275979448, 2551958896, 5103917792, 10207835584, 20415671168]

約数ペア:

[(1, 20415671168), (2, 10207835584), (4, 5103917792), (8, 2551958896), (16, 1275979448), (32, 637989724), (64, 318994862), (128, 159497431), (277, 73702784), (554, 36851392), (593, 34427776), (971, 21025408), (1108, 18425696), (1186, 17213888), (1942, 10512704), (2216, 9212848), (2372, 8606944), (3884, 5256352), (4432, 4606424), (4744, 4303472), (7768, 2628176), (8864, 2303212), (9488, 2151736), (15536, 1314088), (17728, 1151606), (18976, 1075868), (31072, 657044), (35456, 575803), (37952, 537934), (62144, 328522), (75904, 268967), (124288, 164261)]