20339431

素因数分解:

$7^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1\times {\mathrm{167}}^1$

素因数の和:438

約数の個数: 16

約数和(自身を含む): 23740416

約数和(自身を除く): 3400985

約数列:

[1, 7, 127, 137, 167, 889, 959, 1169, 17399, 21209, 22879, 121793, 148463, 160153, 2905633, 20339431]

約数ペア:

[(1, 20339431), (7, 2905633), (127, 160153), (137, 148463), (167, 121793), (889, 22879), (959, 21209), (1169, 17399)]