420690818

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{1103}}^1\times {\mathrm{10037}}^1$

素因数の和:11161

約数の個数: 16

約数和(自身を含む): 664917120

約数和(自身を除く): 244226302

約数列:

[1, 2, 19, 38, 1103, 2206, 10037, 20074, 20957, 41914, 190703, 381406, 11070811, 22141622, 210345409, 420690818]

約数ペア:

[(1, 420690818), (2, 210345409), (19, 22141622), (38, 11070811), (1103, 381406), (2206, 190703), (10037, 41914), (20074, 20957)]