20892586

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{229}}^1$

素因数の和:295

約数の個数: 48

約数和(自身を含む): 38543400

約数和(自身を除く): 17650814

約数列:

[1, 2, 11, 13, 22, 26, 29, 58, 121, 143, 229, 242, 286, 319, 377, 458, 638, 754, 1573, 2519, 2977, 3146, 3509, 4147, 5038, 5954, 6641, 7018, 8294, 13282, 27709, 32747, 45617, 55418, 65494, 73051, 86333, 91234, 146102, 172666, 360217, 720434, 803561, 949663, 1607122, 1899326, 10446293, 20892586]

約数ペア:

[(1, 20892586), (2, 10446293), (11, 1899326), (13, 1607122), (22, 949663), (26, 803561), (29, 720434), (58, 360217), (121, 172666), (143, 146102), (229, 91234), (242, 86333), (286, 73051), (319, 65494), (377, 55418), (458, 45617), (638, 32747), (754, 27709), (1573, 13282), (2519, 8294), (2977, 7018), (3146, 6641), (3509, 5954), (4147, 5038)]