20660877

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{661}}^1$

素因数の和:841

約数の個数: 24

約数和(自身を含む): 31394688

約数和(自身を除く): 10733811

約数列:

[1, 3, 9, 23, 69, 151, 207, 453, 661, 1359, 1983, 3473, 5949, 10419, 15203, 31257, 45609, 99811, 136827, 299433, 898299, 2295653, 6886959, 20660877]

約数ペア:

[(1, 20660877), (3, 6886959), (9, 2295653), (23, 898299), (69, 299433), (151, 136827), (207, 99811), (453, 45609), (661, 31257), (1359, 15203), (1983, 10419), (3473, 5949)]