20585045

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{1433}}^1$

素因数の和:1481

約数の個数: 24

約数和(自身を含む): 28341576

約数和(自身を除く): 7756531

約数列:

[1, 5, 13, 17, 65, 85, 169, 221, 845, 1105, 1433, 2873, 7165, 14365, 18629, 24361, 93145, 121805, 242177, 316693, 1210885, 1583465, 4117009, 20585045]

約数ペア:

[(1, 20585045), (5, 4117009), (13, 1583465), (17, 1210885), (65, 316693), (85, 242177), (169, 121805), (221, 93145), (845, 24361), (1105, 18629), (1433, 14365), (2873, 7165)]