20895095

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{3121}}^1$

素因数の和:3242

約数の個数: 16

約数和(自身を含む): 27273792

約数和(自身を除く): 6378697

約数列:

[1, 5, 13, 65, 103, 515, 1339, 3121, 6695, 15605, 40573, 202865, 321463, 1607315, 4179019, 20895095]

約数ペア:

[(1, 20895095), (5, 4179019), (13, 1607315), (65, 321463), (103, 202865), (515, 40573), (1339, 15605), (3121, 6695)]