20158306

素因数分解:

$2^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1$

素因数の和:259

約数の個数: 48

約数和(自身を含む): 37490040

約数和(自身を除く): 17331734

約数列:

[1, 2, 7, 14, 29, 41, 49, 58, 82, 98, 173, 203, 287, 346, 406, 574, 1189, 1211, 1421, 2009, 2378, 2422, 2842, 4018, 5017, 7093, 8323, 8477, 10034, 14186, 16646, 16954, 35119, 49651, 58261, 70238, 99302, 116522, 205697, 245833, 347557, 411394, 491666, 695114, 1439879, 2879758, 10079153, 20158306]

約数ペア:

[(1, 20158306), (2, 10079153), (7, 2879758), (14, 1439879), (29, 695114), (41, 491666), (49, 411394), (58, 347557), (82, 245833), (98, 205697), (173, 116522), (203, 99302), (287, 70238), (346, 58261), (406, 49651), (574, 35119), (1189, 16954), (1211, 16646), (1421, 14186), (2009, 10034), (2378, 8477), (2422, 8323), (2842, 7093), (4018, 5017)]