20538335

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{5273}}^1$

素因数の和:5338

約数の個数: 16

約数和(自身を含む): 26580960

約数和(自身を除く): 6042625

約数列:

[1, 5, 19, 41, 95, 205, 779, 3895, 5273, 26365, 100187, 216193, 500935, 1080965, 4107667, 20538335]

約数ペア:

[(1, 20538335), (5, 4107667), (19, 1080965), (41, 500935), (95, 216193), (205, 100187), (779, 26365), (3895, 5273)]