20702391

素因数分解:

$3^1\times {\mathrm{113}}^1\times {\mathrm{173}}^1\times {\mathrm{353}}^1$

素因数の和:642

約数の個数: 16

約数和(自身を含む): 28087776

約数和(自身を除く): 7385385

約数列:

[1, 3, 113, 173, 339, 353, 519, 1059, 19549, 39889, 58647, 61069, 119667, 183207, 6900797, 20702391]

約数ペア:

[(1, 20702391), (3, 6900797), (113, 183207), (173, 119667), (339, 61069), (353, 58647), (519, 39889), (1059, 19549)]