20461268

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{1259}}^1$

素因数の和:1519

約数の個数: 24

約数和(自身を含む): 38102400

約数和(自身を除く): 17641132

約数列:

[1, 2, 4, 17, 34, 68, 239, 478, 956, 1259, 2518, 4063, 5036, 8126, 16252, 21403, 42806, 85612, 300901, 601802, 1203604, 5115317, 10230634, 20461268]

約数ペア:

[(1, 20461268), (2, 10230634), (4, 5115317), (17, 1203604), (34, 601802), (68, 300901), (239, 85612), (478, 42806), (956, 21403), (1259, 16252), (2518, 8126), (4063, 5036)]