20534991

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{1151}}^1$

素因数の和:1486

約数の個数: 16

約数和(自身を含む): 28938240

約数和(自身を除く): 8403249

約数列:

[1, 3, 19, 57, 313, 939, 1151, 3453, 5947, 17841, 21869, 65607, 360263, 1080789, 6844997, 20534991]

約数ペア:

[(1, 20534991), (3, 6844997), (19, 1080789), (57, 360263), (313, 65607), (939, 21869), (1151, 17841), (3453, 5947)]