20760545

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{10303}}^1$

素因数の和:10352

約数の個数: 16

約数和(自身を含む): 27697152

約数和(自身を除く): 6936607

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 10303, 51515, 133939, 319393, 669695, 1596965, 4152109, 20760545]

約数ペア:

[(1, 20760545), (5, 4152109), (13, 1596965), (31, 669695), (65, 319393), (155, 133939), (403, 51515), (2015, 10303)]