20508536

素因数分解:

$2^3\times {\mathrm{103}}^1\times {\mathrm{24889}}^1$

素因数の和:24998

約数の個数: 16

約数和(自身を含む): 38828400

約数和(自身を除く): 18319864

約数列:

[1, 2, 4, 8, 103, 206, 412, 824, 24889, 49778, 99556, 199112, 2563567, 5127134, 10254268, 20508536]

約数ペア:

[(1, 20508536), (2, 10254268), (4, 5127134), (8, 2563567), (103, 199112), (206, 99556), (412, 49778), (824, 24889)]