20704164

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1$

素因数の和:285

約数の個数: 96

約数和(自身を含む): 56843136

約数和(自身を除く): 36138972

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 37, 39, 51, 52, 68, 74, 78, 102, 111, 148, 156, 204, 211, 221, 222, 422, 442, 444, 481, 629, 633, 663, 844, 884, 962, 1258, 1266, 1326, 1443, 1887, 1924, 2516, 2532, 2652, 2743, 2886, 3587, 3774, 5486, 5772, 7174, 7548, 7807, 8177, 8229, 10761, 10972, 14348, 15614, 16354, 16458, 21522, 23421, 24531, 31228, 32708, 32916, 43044, 46631, 46842, 49062, 93262, 93684, 98124, 101491, 132719, 139893, 186524, 202982, 265438, 279786, 304473, 398157, 405964, 530876, 559572, 608946, 796314, 1217892, 1592628, 1725347, 3450694, 5176041, 6901388, 10352082, 20704164]

約数ペア:

[(1, 20704164), (2, 10352082), (3, 6901388), (4, 5176041), (6, 3450694), (12, 1725347), (13, 1592628), (17, 1217892), (26, 796314), (34, 608946), (37, 559572), (39, 530876), (51, 405964), (52, 398157), (68, 304473), (74, 279786), (78, 265438), (102, 202982), (111, 186524), (148, 139893), (156, 132719), (204, 101491), (211, 98124), (221, 93684), (222, 93262), (422, 49062), (442, 46842), (444, 46631), (481, 43044), (629, 32916), (633, 32708), (663, 31228), (844, 24531), (884, 23421), (962, 21522), (1258, 16458), (1266, 16354), (1326, 15614), (1443, 14348), (1887, 10972), (1924, 10761), (2516, 8229), (2532, 8177), (2652, 7807), (2743, 7548), (2886, 7174), (3587, 5772), (3774, 5486)]