20340580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{78233}}^1$

素因数の和:78255

約数の個数: 24

約数和(自身を含む): 46001592

約数和(自身を除く): 25661012

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 78233, 156466, 312932, 391165, 782330, 1017029, 1564660, 2034058, 4068116, 5085145, 10170290, 20340580]

約数ペア:

[(1, 20340580), (2, 10170290), (4, 5085145), (5, 4068116), (10, 2034058), (13, 1564660), (20, 1017029), (26, 782330), (52, 391165), (65, 312932), (130, 156466), (260, 78233)]