20963709

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{769}}^1$

素因数の和:1021

約数の個数: 24

約数和(自身を含む): 32792760

約数和(自身を除く): 11829051

約数列:

[1, 3, 9, 13, 39, 117, 233, 699, 769, 2097, 2307, 3029, 6921, 9087, 9997, 27261, 29991, 89973, 179177, 537531, 1612593, 2329301, 6987903, 20963709]

約数ペア:

[(1, 20963709), (3, 6987903), (9, 2329301), (13, 1612593), (39, 537531), (117, 179177), (233, 89973), (699, 29991), (769, 27261), (2097, 9997), (2307, 9087), (3029, 6921)]