20940227

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{1801}}^1$

素因数の和:1970

約数の個数: 16

約数和(自身を含む): 26294784

約数和(自身を除く): 5354557

約数列:

[1, 7, 11, 77, 151, 1057, 1661, 1801, 11627, 12607, 19811, 138677, 271951, 1903657, 2991461, 20940227]

約数ペア:

[(1, 20940227), (7, 2991461), (11, 1903657), (77, 271951), (151, 138677), (1057, 19811), (1661, 12607), (1801, 11627)]