20123701856

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{1487}}^1\times {\mathrm{24877}}^1$

素因数の和:26391

約数の個数: 48

約数和(自身を含む): 41978938176

約数和(自身を除く): 21855236320

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 1487, 2974, 5948, 11896, 23792, 24877, 25279, 47584, 49754, 50558, 99508, 101116, 199016, 202232, 398032, 404464, 422909, 796064, 808928, 845818, 1691636, 3383272, 6766544, 13533088, 36992099, 73984198, 147968396, 295936792, 591873584, 628865683, 1183747168, 1257731366, 2515462732, 5030925464, 10061850928, 20123701856]

約数ペア:

[(1, 20123701856), (2, 10061850928), (4, 5030925464), (8, 2515462732), (16, 1257731366), (17, 1183747168), (32, 628865683), (34, 591873584), (68, 295936792), (136, 147968396), (272, 73984198), (544, 36992099), (1487, 13533088), (2974, 6766544), (5948, 3383272), (11896, 1691636), (23792, 845818), (24877, 808928), (25279, 796064), (47584, 422909), (49754, 404464), (50558, 398032), (99508, 202232), (101116, 199016)]