20020858

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{70003}}^1$

素因数の和:70029

約数の個数: 16

約数和(自身を含む): 35282016

約数和(自身を除く): 15261158

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 70003, 140006, 770033, 910039, 1540066, 1820078, 10010429, 20020858]

約数ペア:

[(1, 20020858), (2, 10010429), (11, 1820078), (13, 1540066), (22, 910039), (26, 770033), (143, 140006), (286, 70003)]