20542068

素因数分解:

$2^2\times 3^2\times {\mathrm{570613}}^1$

素因数の和:570623

約数の個数: 18

約数和(自身を含む): 51925874

約数和(自身を除く): 31383806

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 570613, 1141226, 1711839, 2282452, 3423678, 5135517, 6847356, 10271034, 20542068]

約数ペア:

[(1, 20542068), (2, 10271034), (3, 6847356), (4, 5135517), (6, 3423678), (9, 2282452), (12, 1711839), (18, 1141226), (36, 570613)]