20899908

素因数分解:

$2^2\times 3^2\times {\mathrm{580553}}^1$

素因数の和:580563

約数の個数: 18

約数和(自身を含む): 52830414

約数和(自身を除く): 31930506

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 580553, 1161106, 1741659, 2322212, 3483318, 5224977, 6966636, 10449954, 20899908]

約数ペア:

[(1, 20899908), (2, 10449954), (3, 6966636), (4, 5224977), (6, 3483318), (9, 2322212), (12, 1741659), (18, 1161106), (36, 580553)]