20858528043

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{478747}}^1$

素因数の和:478903

約数の個数: 24

約数和(自身を含む): 31068830208

約数和(自身を除く): 10210302165

約数列:

[1, 3, 9, 47, 103, 141, 309, 423, 927, 4841, 14523, 43569, 478747, 1436241, 4308723, 22501109, 49310941, 67503327, 147932823, 202509981, 443798469, 2317614227, 6952842681, 20858528043]

約数ペア:

[(1, 20858528043), (3, 6952842681), (9, 2317614227), (47, 443798469), (103, 202509981), (141, 147932823), (309, 67503327), (423, 49310941), (927, 22501109), (4841, 4308723), (14523, 1436241), (43569, 478747)]