20698904

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{136177}}^1$

素因数の和:136202

約数の個数: 16

約数和(自身を含む): 40853400

約数和(自身を除く): 20154496

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 136177, 272354, 544708, 1089416, 2587363, 5174726, 10349452, 20698904]

約数ペア:

[(1, 20698904), (2, 10349452), (4, 5174726), (8, 2587363), (19, 1089416), (38, 544708), (76, 272354), (152, 136177)]