20955022

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{131}}^1\times {\mathrm{661}}^1$

素因数の和:816

約数の個数: 24

約数和(自身を含む): 34866216

約数和(自身を除く): 13911194

約数列:

[1, 2, 11, 22, 121, 131, 242, 262, 661, 1322, 1441, 2882, 7271, 14542, 15851, 31702, 79981, 86591, 159962, 173182, 952501, 1905002, 10477511, 20955022]

約数ペア:

[(1, 20955022), (2, 10477511), (11, 1905002), (22, 952501), (121, 173182), (131, 159962), (242, 86591), (262, 79981), (661, 31702), (1322, 15851), (1441, 14542), (2882, 7271)]