20508205535

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{487}}^1\times {\mathrm{205421}}^1$

素因数の和:205954

約数の個数: 16

約数和(自身を含む): 25261975872

約数和(自身を除く): 4753770337

約数列:

[1, 5, 41, 205, 487, 2435, 19967, 99835, 205421, 1027105, 8422261, 42111305, 100040027, 500200135, 4101641107, 20508205535]

約数ペア:

[(1, 20508205535), (5, 4101641107), (41, 500200135), (205, 100040027), (487, 42111305), (2435, 8422261), (19967, 1027105), (99835, 205421)]