20982283

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{2521}}^1$

素因数の和:2598

約数の個数: 16

約数和(自身を含む): 25421760

約数和(自身を除く): 4439477

約数列:

[1, 7, 29, 41, 203, 287, 1189, 2521, 8323, 17647, 73109, 103361, 511763, 723527, 2997469, 20982283]

約数ペア:

[(1, 20982283), (7, 2997469), (29, 723527), (41, 511763), (203, 103361), (287, 73109), (1189, 17647), (2521, 8323)]