20411495

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{1303}}^1$

素因数の和:1562

約数の個数: 16

約数和(自身を含む): 26507712

約数和(自身を除く): 6096217

約数列:

[1, 5, 13, 65, 241, 1205, 1303, 3133, 6515, 15665, 16939, 84695, 314023, 1570115, 4082299, 20411495]

約数ペア:

[(1, 20411495), (5, 4082299), (13, 1570115), (65, 314023), (241, 84695), (1205, 16939), (1303, 15665), (3133, 6515)]