20143285

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{1637}}^1$

素因数の和:1772

約数の個数: 16

約数和(自身を含む): 25474176

約数和(自身を除く): 5330891

約数列:

[1, 5, 23, 107, 115, 535, 1637, 2461, 8185, 12305, 37651, 175159, 188255, 875795, 4028657, 20143285]

約数ペア:

[(1, 20143285), (5, 4028657), (23, 875795), (107, 188255), (115, 175159), (535, 37651), (1637, 12305), (2461, 8185)]