20758121

素因数分解:

${\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:356

約数の個数: 16

約数和(自身を含む): 22471680

約数和(自身を除く): 1713559

約数列:

[1, 23, 43, 139, 151, 989, 3197, 3473, 5977, 6493, 20989, 137471, 149339, 482747, 902527, 20758121]

約数ペア:

[(1, 20758121), (23, 902527), (43, 482747), (139, 149339), (151, 137471), (989, 20989), (3197, 6493), (3473, 5977)]