20504942

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1\times {\mathrm{733}}^1$

素因数の和:1003

約数の個数: 16

約数和(自身を含む): 31391712

約数和(自身を除く): 10886770

約数列:

[1, 2, 71, 142, 197, 394, 733, 1466, 13987, 27974, 52043, 104086, 144401, 288802, 10252471, 20504942]

約数ペア:

[(1, 20504942), (2, 10252471), (71, 288802), (142, 144401), (197, 104086), (394, 52043), (733, 27974), (1466, 13987)]