20002895

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{12541}}^1$

素因数の和:12586

約数の個数: 16

約数和(自身を含む): 27090720

約数和(自身を除く): 7087825

約数列:

[1, 5, 11, 29, 55, 145, 319, 1595, 12541, 62705, 137951, 363689, 689755, 1818445, 4000579, 20002895]

約数ペア:

[(1, 20002895), (5, 4000579), (11, 1818445), (29, 689755), (55, 363689), (145, 137951), (319, 62705), (1595, 12541)]