20196684

素因数分解:

$2^2\times 3^2\times {\mathrm{561019}}^1$

素因数の和:561029

約数の個数: 18

約数和(自身を含む): 51052820

約数和(自身を除く): 30856136

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 561019, 1122038, 1683057, 2244076, 3366114, 5049171, 6732228, 10098342, 20196684]

約数ペア:

[(1, 20196684), (2, 10098342), (3, 6732228), (4, 5049171), (6, 3366114), (9, 2244076), (12, 1683057), (18, 1122038), (36, 561019)]