20197177

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{20177}}^1$

素因数の和:20208

約数の個数: 16

約数和(自身を含む): 27119232

約数和(自身を除く): 6922055

約数列:

[1, 7, 11, 13, 77, 91, 143, 1001, 20177, 141239, 221947, 262301, 1553629, 1836107, 2885311, 20197177]

約数ペア:

[(1, 20197177), (7, 2885311), (11, 1836107), (13, 1553629), (77, 262301), (91, 221947), (143, 141239), (1001, 20177)]