20899764

素因数分解:

$2^2\times 3^2\times {\mathrm{580549}}^1$

素因数の和:580559

約数の個数: 18

約数和(自身を含む): 52830050

約数和(自身を除く): 31930286

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 580549, 1161098, 1741647, 2322196, 3483294, 5224941, 6966588, 10449882, 20899764]

約数ペア:

[(1, 20899764), (2, 10449882), (3, 6966588), (4, 5224941), (6, 3483294), (9, 2322196), (12, 1741647), (18, 1161098), (36, 580549)]