20939711

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{829}}^1$

素因数の和:938

約数の個数: 16

約数和(自身を含む): 23704800

約数和(自身を除く): 2765089

約数列:

[1, 13, 29, 67, 377, 829, 871, 1943, 10777, 24041, 25259, 55543, 312533, 722059, 1610747, 20939711]

約数ペア:

[(1, 20939711), (13, 1610747), (29, 722059), (67, 312533), (377, 55543), (829, 25259), (871, 24041), (1943, 10777)]