20189772

素因数分解:

$2^2\times 3^2\times {\mathrm{560827}}^1$

素因数の和:560837

約数の個数: 18

約数和(自身を含む): 51035348

約数和(自身を除く): 30845576

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 560827, 1121654, 1682481, 2243308, 3364962, 5047443, 6729924, 10094886, 20189772]

約数ペア:

[(1, 20189772), (2, 10094886), (3, 6729924), (4, 5047443), (6, 3364962), (9, 2243308), (12, 1682481), (18, 1121654), (36, 560827)]