20519331

素因数分解:

$3^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{8647}}^1$

素因数の和:8770

約数の個数: 16

約数和(自身を含む): 31547904

約数和(自身を除く): 11028573

約数列:

[1, 3, 7, 21, 113, 339, 791, 2373, 8647, 25941, 60529, 181587, 977111, 2931333, 6839777, 20519331]

約数ペア:

[(1, 20519331), (3, 6839777), (7, 2931333), (21, 977111), (113, 181587), (339, 60529), (791, 25941), (2373, 8647)]