20456433605

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^2\times {\mathrm{78511}}^1$

素因数の和:78629

約数の個数: 24

約数和(自身を含む): 25973025792

約数和(自身を除く): 5516592187

約数列:

[1, 5, 31, 41, 155, 205, 1271, 1681, 6355, 8405, 52111, 78511, 260555, 392555, 2433841, 3218951, 12169205, 16094755, 99787481, 131976991, 498937405, 659884955, 4091286721, 20456433605]

約数ペア:

[(1, 20456433605), (5, 4091286721), (31, 659884955), (41, 498937405), (155, 131976991), (205, 99787481), (1271, 16094755), (1681, 12169205), (6355, 3218951), (8405, 2433841), (52111, 392555), (78511, 260555)]