20615494

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{4801}}^1$

素因数の和:4935

約数の個数: 16

約数和(自身を含む): 32845680

約数和(自身を除く): 12230186

約数列:

[1, 2, 19, 38, 113, 226, 2147, 4294, 4801, 9602, 91219, 182438, 542513, 1085026, 10307747, 20615494]

約数ペア:

[(1, 20615494), (2, 10307747), (19, 1085026), (38, 542513), (113, 182438), (226, 91219), (2147, 9602), (4294, 4801)]