20949416

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{49409}}^1$

素因数の和:49468

約数の個数: 16

約数和(自身を含む): 40022100

約数和(自身を除く): 19072684

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 49409, 98818, 197636, 395272, 2618677, 5237354, 10474708, 20949416]

約数ペア:

[(1, 20949416), (2, 10474708), (4, 5237354), (8, 2618677), (53, 395272), (106, 197636), (212, 98818), (424, 49409)]