20590310

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{1063}}^1$

素因数の和:1232

約数の個数: 32

約数和(自身を含む): 40219200

約数和(自身を除く): 19628890

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 149, 298, 745, 1063, 1490, 1937, 2126, 3874, 5315, 9685, 10630, 13819, 19370, 27638, 69095, 138190, 158387, 316774, 791935, 1583870, 2059031, 4118062, 10295155, 20590310]

約数ペア:

[(1, 20590310), (2, 10295155), (5, 4118062), (10, 2059031), (13, 1583870), (26, 791935), (65, 316774), (130, 158387), (149, 138190), (298, 69095), (745, 27638), (1063, 19370), (1490, 13819), (1937, 10630), (2126, 9685), (3874, 5315)]