20123343219

素因数分解:

$3^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{263}}^1\times {\mathrm{21061}}^1$

素因数の和:21507

約数の個数: 32

約数和(自身を含む): 30960129024

約数和(自身を除く): 10836785805

約数列:

[1, 3, 7, 21, 173, 263, 519, 789, 1211, 1841, 3633, 5523, 21061, 45499, 63183, 136497, 147427, 318493, 442281, 955479, 3643553, 5539043, 10930659, 16617129, 25504871, 38773301, 76514613, 116319903, 958254439, 2874763317, 6707781073, 20123343219]

約数ペア:

[(1, 20123343219), (3, 6707781073), (7, 2874763317), (21, 958254439), (173, 116319903), (263, 76514613), (519, 38773301), (789, 25504871), (1211, 16617129), (1841, 10930659), (3633, 5539043), (5523, 3643553), (21061, 955479), (45499, 442281), (63183, 318493), (136497, 147427)]