20196261968

素因数分解:

$2^4\times {\mathrm{2179}}^1\times {\mathrm{579287}}^1$

素因数の和:581474

約数の個数: 20

約数和(自身を含む): 39148283040

約数和(自身を除く): 18952021072

約数列:

[1, 2, 4, 8, 16, 2179, 4358, 8716, 17432, 34864, 579287, 1158574, 2317148, 4634296, 9268592, 1262266373, 2524532746, 5049065492, 10098130984, 20196261968]

約数ペア:

[(1, 20196261968), (2, 10098130984), (4, 5049065492), (8, 2524532746), (16, 1262266373), (2179, 9268592), (4358, 4634296), (8716, 2317148), (17432, 1158574), (34864, 579287)]