20485335

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{8081}}^1$

素因数の和:8115

約数の個数: 24

約数和(自身を含む): 35496144

約数和(自身を除く): 15010809

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 507, 845, 2535, 8081, 24243, 40405, 105053, 121215, 315159, 525265, 1365689, 1575795, 4097067, 6828445, 20485335]

約数ペア:

[(1, 20485335), (3, 6828445), (5, 4097067), (13, 1575795), (15, 1365689), (39, 525265), (65, 315159), (169, 121215), (195, 105053), (507, 40405), (845, 24243), (2535, 8081)]