20329897

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{1013}}^1$

素因数の和:1128

約数の個数: 16

約数和(自身を含む): 24141312

約数和(自身を除く): 3811415

約数列:

[1, 7, 47, 61, 329, 427, 1013, 2867, 7091, 20069, 47611, 61793, 333277, 432551, 2904271, 20329897]

約数ペア:

[(1, 20329897), (7, 2904271), (47, 432551), (61, 333277), (329, 61793), (427, 47611), (1013, 20069), (2867, 7091)]