20816510

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{14557}}^1$

素因数の和:14588

約数の個数: 32

約数和(自身を含む): 44023392

約数和(自身を除く): 23206882

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 14557, 29114, 72785, 145570, 160127, 189241, 320254, 378482, 800635, 946205, 1601270, 1892410, 2081651, 4163302, 10408255, 20816510]

約数ペア:

[(1, 20816510), (2, 10408255), (5, 4163302), (10, 2081651), (11, 1892410), (13, 1601270), (22, 946205), (26, 800635), (55, 378482), (65, 320254), (110, 189241), (130, 160127), (143, 145570), (286, 72785), (715, 29114), (1430, 14557)]