20390028

素因数分解:

$2^2\times 3^1\times {\mathrm{691}}^1\times {\mathrm{2459}}^1$

素因数の和:3157

約数の個数: 24

約数和(自身を含む): 47664960

約数和(自身を除く): 27274932

約数列:

[1, 2, 3, 4, 6, 12, 691, 1382, 2073, 2459, 2764, 4146, 4918, 7377, 8292, 9836, 14754, 29508, 1699169, 3398338, 5097507, 6796676, 10195014, 20390028]

約数ペア:

[(1, 20390028), (2, 10195014), (3, 6796676), (4, 5097507), (6, 3398338), (12, 1699169), (691, 29508), (1382, 14754), (2073, 9836), (2459, 8292), (2764, 7377), (4146, 4918)]