20948085

素因数分解:

$3^3\times 5^1\times {\mathrm{155171}}^1$

素因数の和:155185

約数の個数: 16

約数和(自身を含む): 37241280

約数和(自身を除く): 16293195

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 155171, 465513, 775855, 1396539, 2327565, 4189617, 6982695, 20948085]

約数ペア:

[(1, 20948085), (3, 6982695), (5, 4189617), (9, 2327565), (15, 1396539), (27, 775855), (45, 465513), (135, 155171)]