20123755508

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{470489}}^1$

素因数の和:470564

約数の個数: 36

約数和(自身を含む): 38421154380

約数和(自身を除く): 18297398872

約数列:

[1, 2, 4, 17, 34, 37, 68, 74, 148, 289, 578, 629, 1156, 1258, 2516, 10693, 21386, 42772, 470489, 940978, 1881956, 7998313, 15996626, 17408093, 31993252, 34816186, 69632372, 135971321, 271942642, 295937581, 543885284, 591875162, 1183750324, 5030938877, 10061877754, 20123755508]

約数ペア:

[(1, 20123755508), (2, 10061877754), (4, 5030938877), (17, 1183750324), (34, 591875162), (37, 543885284), (68, 295937581), (74, 271942642), (148, 135971321), (289, 69632372), (578, 34816186), (629, 31993252), (1156, 17408093), (1258, 15996626), (2516, 7998313), (10693, 1881956), (21386, 940978), (42772, 470489)]