20351567997

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{9103}}^1$

素因数の和:9314

約数の個数: 48

約数和(自身を含む): 30932478720

約数和(自身を除く): 10580910723

約数列:

[1, 3, 9, 43, 53, 109, 129, 159, 327, 387, 477, 981, 2279, 4687, 5777, 6837, 9103, 14061, 17331, 20511, 27309, 42183, 51993, 81927, 248411, 391429, 482459, 745233, 992227, 1174287, 1447377, 2235699, 2976681, 3522861, 4342131, 8930043, 20745737, 42665761, 52588031, 62237211, 127997283, 157764093, 186711633, 383991849, 473292279, 2261285333, 6783855999, 20351567997]

約数ペア:

[(1, 20351567997), (3, 6783855999), (9, 2261285333), (43, 473292279), (53, 383991849), (109, 186711633), (129, 157764093), (159, 127997283), (327, 62237211), (387, 52588031), (477, 42665761), (981, 20745737), (2279, 8930043), (4687, 4342131), (5777, 3522861), (6837, 2976681), (9103, 2235699), (14061, 1447377), (17331, 1174287), (20511, 992227), (27309, 745233), (42183, 482459), (51993, 391429), (81927, 248411)]