20187756

素因数分解:

$2^2\times 3^2\times {\mathrm{560771}}^1$

素因数の和:560781

約数の個数: 18

約数和(自身を含む): 51030252

約数和(自身を除く): 30842496

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 560771, 1121542, 1682313, 2243084, 3364626, 5046939, 6729252, 10093878, 20187756]

約数ペア:

[(1, 20187756), (2, 10093878), (3, 6729252), (4, 5046939), (6, 3364626), (9, 2243084), (12, 1682313), (18, 1121542), (36, 560771)]