20698276

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{2069}}^1$

素因数の和:2175

約数の個数: 24

約数和(自身を含む): 37731960

約数和(自身を除く): 17033684

約数列:

[1, 2, 4, 41, 61, 82, 122, 164, 244, 2069, 2501, 4138, 5002, 8276, 10004, 84829, 126209, 169658, 252418, 339316, 504836, 5174569, 10349138, 20698276]

約数ペア:

[(1, 20698276), (2, 10349138), (4, 5174569), (41, 504836), (61, 339316), (82, 252418), (122, 169658), (164, 126209), (244, 84829), (2069, 10004), (2501, 8276), (4138, 5002)]