20003140

素因数分解:

$2^2\times 5^1\times {\mathrm{617}}^1\times {\mathrm{1621}}^1$

素因数の和:2247

約数の個数: 24

約数和(自身を含む): 42100632

約数和(自身を除く): 22097492

約数列:

[1, 2, 4, 5, 10, 20, 617, 1234, 1621, 2468, 3085, 3242, 6170, 6484, 8105, 12340, 16210, 32420, 1000157, 2000314, 4000628, 5000785, 10001570, 20003140]

約数ペア:

[(1, 20003140), (2, 10001570), (4, 5000785), (5, 4000628), (10, 2000314), (20, 1000157), (617, 32420), (1234, 16210), (1621, 12340), (2468, 8105), (3085, 6484), (3242, 6170)]