20240285

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{1409}}^1$

素因数の和:1457

約数の個数: 24

約数和(自身を含む): 27867240

約数和(自身を除く): 7626955

約数列:

[1, 5, 13, 17, 65, 85, 169, 221, 845, 1105, 1409, 2873, 7045, 14365, 18317, 23953, 91585, 119765, 238121, 311389, 1190605, 1556945, 4048057, 20240285]

約数ペア:

[(1, 20240285), (5, 4048057), (13, 1556945), (17, 1190605), (65, 311389), (85, 238121), (169, 119765), (221, 91585), (845, 23953), (1105, 18317), (1409, 14365), (2873, 7045)]