20837015

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{1601}}^1$

素因数の和:1762

約数の個数: 16

約数和(自身を含む): 26529120

約数和(自身を除く): 5692105

約数列:

[1, 5, 19, 95, 137, 685, 1601, 2603, 8005, 13015, 30419, 152095, 219337, 1096685, 4167403, 20837015]

約数ペア:

[(1, 20837015), (5, 4167403), (19, 1096685), (95, 219337), (137, 152095), (685, 30419), (1601, 13015), (2603, 8005)]