20003906

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{9739}}^1$

素因数の和:9833

約数の個数: 16

約数和(自身を含む): 32726400

約数和(自身を除く): 12722494

約数列:

[1, 2, 13, 26, 79, 158, 1027, 2054, 9739, 19478, 126607, 253214, 769381, 1538762, 10001953, 20003906]

約数ペア:

[(1, 20003906), (2, 10001953), (13, 1538762), (26, 769381), (79, 253214), (158, 126607), (1027, 19478), (2054, 9739)]