20139045568

素因数分解:

$2^6\times {\mathrm{61}}^1\times {\mathrm{2129}}^1\times {\mathrm{2423}}^1$

素因数の和:4625

約数の個数: 56

約数和(自身を含む): 40654406880

約数和(自身を除く): 20515361312

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 244, 488, 976, 1952, 2129, 2423, 3904, 4258, 4846, 8516, 9692, 17032, 19384, 34064, 38768, 68128, 77536, 129869, 136256, 147803, 155072, 259738, 295606, 519476, 591212, 1038952, 1182424, 2077904, 2364848, 4155808, 4729696, 5158567, 8311616, 9459392, 10317134, 20634268, 41268536, 82537072, 165074144, 314672587, 330148288, 629345174, 1258690348, 2517380696, 5034761392, 10069522784, 20139045568]

約数ペア:

[(1, 20139045568), (2, 10069522784), (4, 5034761392), (8, 2517380696), (16, 1258690348), (32, 629345174), (61, 330148288), (64, 314672587), (122, 165074144), (244, 82537072), (488, 41268536), (976, 20634268), (1952, 10317134), (2129, 9459392), (2423, 8311616), (3904, 5158567), (4258, 4729696), (4846, 4155808), (8516, 2364848), (9692, 2077904), (17032, 1182424), (19384, 1038952), (34064, 591212), (38768, 519476), (68128, 295606), (77536, 259738), (129869, 155072), (136256, 147803)]