19959580

素因数分解:

$2^2\times 5^1\times {\mathrm{467}}^1\times {\mathrm{2137}}^1$

素因数の和:2613

約数の個数: 24

約数和(自身を含む): 42024528

約数和(自身を除く): 22064948

約数列:

[1, 2, 4, 5, 10, 20, 467, 934, 1868, 2137, 2335, 4274, 4670, 8548, 9340, 10685, 21370, 42740, 997979, 1995958, 3991916, 4989895, 9979790, 19959580]

約数ペア:

[(1, 19959580), (2, 9979790), (4, 4989895), (5, 3991916), (10, 1995958), (20, 997979), (467, 42740), (934, 21370), (1868, 10685), (2137, 9340), (2335, 8548), (4274, 4670)]