20874304

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{199}}^1$

素因数の和:371

約数の個数: 56

約数和(自身を含む): 45720000

約数和(自身を除く): 24845696

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 149, 176, 199, 298, 352, 398, 596, 704, 796, 1192, 1592, 1639, 2189, 2384, 3184, 3278, 4378, 4768, 6368, 6556, 8756, 9536, 12736, 13112, 17512, 26224, 29651, 35024, 52448, 59302, 70048, 104896, 118604, 140096, 237208, 326161, 474416, 652322, 948832, 1304644, 1897664, 2609288, 5218576, 10437152, 20874304]

約数ペア:

[(1, 20874304), (2, 10437152), (4, 5218576), (8, 2609288), (11, 1897664), (16, 1304644), (22, 948832), (32, 652322), (44, 474416), (64, 326161), (88, 237208), (149, 140096), (176, 118604), (199, 104896), (298, 70048), (352, 59302), (398, 52448), (596, 35024), (704, 29651), (796, 26224), (1192, 17512), (1592, 13112), (1639, 12736), (2189, 9536), (2384, 8756), (3184, 6556), (3278, 6368), (4378, 4768)]