20050984820

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{3223631}}^1$

素因数の和:3223951

約数の個数: 24

約数和(自身を含む): 42242473728

約数和(自身を除く): 22191488908

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 1244, 1555, 3110, 6220, 3223631, 6447262, 12894524, 16118155, 32236310, 64472620, 1002549241, 2005098482, 4010196964, 5012746205, 10025492410, 20050984820]

約数ペア:

[(1, 20050984820), (2, 10025492410), (4, 5012746205), (5, 4010196964), (10, 2005098482), (20, 1002549241), (311, 64472620), (622, 32236310), (1244, 16118155), (1555, 12894524), (3110, 6447262), (6220, 3223631)]