20652540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{344209}}^1$

素因数の和:344221

約数の個数: 24

約数和(自身を含む): 57827280

約数和(自身を除く): 37174740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 344209, 688418, 1032627, 1376836, 1721045, 2065254, 3442090, 4130508, 5163135, 6884180, 10326270, 20652540]

約数ペア:

[(1, 20652540), (2, 10326270), (3, 6884180), (4, 5163135), (5, 4130508), (6, 3442090), (10, 2065254), (12, 1721045), (15, 1376836), (20, 1032627), (30, 688418), (60, 344209)]