20166556

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{4177}}^1$

素因数の和:4269

約数の個数: 24

約数和(自身を含む): 37902816

約数和(自身を除く): 17736260

約数列:

[1, 2, 4, 17, 34, 68, 71, 142, 284, 1207, 2414, 4177, 4828, 8354, 16708, 71009, 142018, 284036, 296567, 593134, 1186268, 5041639, 10083278, 20166556]

約数ペア:

[(1, 20166556), (2, 10083278), (4, 5041639), (17, 1186268), (34, 593134), (68, 296567), (71, 284036), (142, 142018), (284, 71009), (1207, 16708), (2414, 8354), (4177, 4828)]