20620806

素因数分解:

$2^1\times 3^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{547}}^1$

素因数の和:716

約数の個数: 32

約数和(自身を含む): 42402048

約数和(自身を除く): 21781242

約数列:

[1, 2, 3, 6, 61, 103, 122, 183, 206, 309, 366, 547, 618, 1094, 1641, 3282, 6283, 12566, 18849, 33367, 37698, 56341, 66734, 100101, 112682, 169023, 200202, 338046, 3436801, 6873602, 10310403, 20620806]

約数ペア:

[(1, 20620806), (2, 10310403), (3, 6873602), (6, 3436801), (61, 338046), (103, 200202), (122, 169023), (183, 112682), (206, 100101), (309, 66734), (366, 56341), (547, 37698), (618, 33367), (1094, 18849), (1641, 12566), (3282, 6283)]