20202605

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1951}}^1$

素因数の和:2084

約数の個数: 16

約数和(自身を含む): 25766400

約数和(自身を除く): 5563795

約数列:

[1, 5, 19, 95, 109, 545, 1951, 2071, 9755, 10355, 37069, 185345, 212659, 1063295, 4040521, 20202605]

約数ペア:

[(1, 20202605), (5, 4040521), (19, 1063295), (95, 212659), (109, 185345), (545, 37069), (1951, 10355), (2071, 9755)]