20099409

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{12959}}^1$

素因数の和:13020

約数の個数: 16

約数和(自身を含む): 29859840

約数和(自身を除く): 9760431

約数列:

[1, 3, 11, 33, 47, 141, 517, 1551, 12959, 38877, 142549, 427647, 609073, 1827219, 6699803, 20099409]

約数ペア:

[(1, 20099409), (3, 6699803), (11, 1827219), (33, 609073), (47, 427647), (141, 142549), (517, 38877), (1551, 12959)]