20698174

素因数分解:

$2^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{9791}}^1$

素因数の和:9951

約数の個数: 16

約数和(自身を含む): 35721216

約数和(自身を除く): 15023042

約数列:

[1, 2, 7, 14, 151, 302, 1057, 2114, 9791, 19582, 68537, 137074, 1478441, 2956882, 10349087, 20698174]

約数ペア:

[(1, 20698174), (2, 10349087), (7, 2956882), (14, 1478441), (151, 137074), (302, 68537), (1057, 19582), (2114, 9791)]