20703085

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{739}}^1$

素因数の和:1188

約数の個数: 16

約数和(自身を含む): 26853120

約数和(自身を除く): 6150035

約数列:

[1, 5, 13, 65, 431, 739, 2155, 3695, 5603, 9607, 28015, 48035, 318509, 1592545, 4140617, 20703085]

約数ペア:

[(1, 20703085), (5, 4140617), (13, 1592545), (65, 318509), (431, 48035), (739, 28015), (2155, 9607), (3695, 5603)]