20155239

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5557}}^1$

素因数の和:5607

約数の個数: 24

約数和(自身を含む): 32369792

約数和(自身を除く): 12214553

約数列:

[1, 3, 9, 13, 31, 39, 93, 117, 279, 403, 1209, 3627, 5557, 16671, 50013, 72241, 172267, 216723, 516801, 650169, 1550403, 2239471, 6718413, 20155239]

約数ペア:

[(1, 20155239), (3, 6718413), (9, 2239471), (13, 1550403), (31, 650169), (39, 516801), (93, 216723), (117, 172267), (279, 72241), (403, 50013), (1209, 16671), (3627, 5557)]