20808678

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{3061}}^1$

素因数の和:3180

約数の個数: 32

約数和(自身を含む): 45856512

約数和(自身を除く): 25047834

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 103, 206, 309, 618, 1133, 2266, 3061, 3399, 6122, 6798, 9183, 18366, 33671, 67342, 101013, 202026, 315283, 630566, 945849, 1891698, 3468113, 6936226, 10404339, 20808678]

約数ペア:

[(1, 20808678), (2, 10404339), (3, 6936226), (6, 3468113), (11, 1891698), (22, 945849), (33, 630566), (66, 315283), (103, 202026), (206, 101013), (309, 67342), (618, 33671), (1133, 18366), (2266, 9183), (3061, 6798), (3399, 6122)]