22647940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{161771}}^1$

素因数の和:161787

約数の個数: 24

約数和(自身を含む): 54355392

約数和(自身を除く): 31707452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 161771, 323542, 647084, 808855, 1132397, 1617710, 2264794, 3235420, 4529588, 5661985, 11323970, 22647940]

約数ペア:

[(1, 22647940), (2, 11323970), (4, 5661985), (5, 4529588), (7, 3235420), (10, 2264794), (14, 1617710), (20, 1132397), (28, 808855), (35, 647084), (70, 323542), (140, 161771)]