20734628

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{4177}}^1$

素因数の和:4271

約数の個数: 24

約数和(自身を含む): 38955672

約数和(自身を除く): 18221044

約数列:

[1, 2, 4, 17, 34, 68, 73, 146, 292, 1241, 2482, 4177, 4964, 8354, 16708, 71009, 142018, 284036, 304921, 609842, 1219684, 5183657, 10367314, 20734628]

約数ペア:

[(1, 20734628), (2, 10367314), (4, 5183657), (17, 1219684), (34, 609842), (68, 304921), (73, 284036), (146, 142018), (292, 71009), (1241, 16708), (2482, 8354), (4177, 4964)]