20740595

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^2$

素因数の和:251

約数の個数: 24

約数和(自身を含む): 27768096

約数和(自身を除く): 7027501

約数列:

[1, 5, 17, 23, 85, 103, 115, 391, 515, 1751, 1955, 2369, 8755, 10609, 11845, 40273, 53045, 180353, 201365, 244007, 901765, 1220035, 4148119, 20740595]

約数ペア:

[(1, 20740595), (5, 4148119), (17, 1220035), (23, 901765), (85, 244007), (103, 201365), (115, 180353), (391, 53045), (515, 40273), (1751, 11845), (1955, 10609), (2369, 8755)]