20698196

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{1097}}^1$

素因数の和:1243

約数の個数: 24

約数和(自身を含む): 37353960

約数和(自身を除く): 16655764

約数列:

[1, 2, 4, 53, 89, 106, 178, 212, 356, 1097, 2194, 4388, 4717, 9434, 18868, 58141, 97633, 116282, 195266, 232564, 390532, 5174549, 10349098, 20698196]

約数ペア:

[(1, 20698196), (2, 10349098), (4, 5174549), (53, 390532), (89, 232564), (106, 195266), (178, 116282), (212, 97633), (356, 58141), (1097, 18868), (2194, 9434), (4388, 4717)]