20810205

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{35573}}^1$

素因数の和:35597

約数の個数: 24

約数和(自身を含む): 38846808

約数和(自身を除く): 18036603

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 35573, 106719, 177865, 320157, 462449, 533595, 1387347, 1600785, 2312245, 4162041, 6936735, 20810205]

約数ペア:

[(1, 20810205), (3, 6936735), (5, 4162041), (9, 2312245), (13, 1600785), (15, 1387347), (39, 533595), (45, 462449), (65, 320157), (117, 177865), (195, 106719), (585, 35573)]