20684255

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{911}}^1$

素因数の和:1174

約数の個数: 16

約数和(自身を含む): 26265600

約数和(自身を除く): 5581345

約数列:

[1, 5, 19, 95, 239, 911, 1195, 4541, 4555, 17309, 22705, 86545, 217729, 1088645, 4136851, 20684255]

約数ペア:

[(1, 20684255), (5, 4136851), (19, 1088645), (95, 217729), (239, 86545), (911, 22705), (1195, 17309), (4541, 4555)]