20722535

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{809}}^1$

素因数の和:970

約数の個数: 16

約数和(自身を含む): 25660800

約数和(自身を除く): 4938265

約数列:

[1, 5, 47, 109, 235, 545, 809, 4045, 5123, 25615, 38023, 88181, 190115, 440905, 4144507, 20722535]

約数ペア:

[(1, 20722535), (5, 4144507), (47, 440905), (109, 190115), (235, 88181), (545, 38023), (809, 25615), (4045, 5123)]