20802018544

素因数分解:

$2^4\times {\mathrm{52103}}^1\times {\mathrm{24953}}^1$

素因数の和:77064

約数の個数: 20

約数和(自身を含む): 40306299696

約数和(自身を除く): 19504281152

約数列:

[1, 2, 4, 8, 16, 24953, 49906, 52103, 99812, 104206, 199624, 208412, 399248, 416824, 833648, 1300126159, 2600252318, 5200504636, 10401009272, 20802018544]

約数ペア:

[(1, 20802018544), (2, 10401009272), (4, 5200504636), (8, 2600252318), (16, 1300126159), (24953, 833648), (49906, 416824), (52103, 399248), (99812, 208412), (104206, 199624)]