20768364

素因数分解:

$2^2\times 3^2\times {\mathrm{576899}}^1$

素因数の和:576909

約数の個数: 18

約数和(自身を含む): 52497900

約数和(自身を除く): 31729536

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 576899, 1153798, 1730697, 2307596, 3461394, 5192091, 6922788, 10384182, 20768364]

約数ペア:

[(1, 20768364), (2, 10384182), (3, 6922788), (4, 5192091), (6, 3461394), (9, 2307596), (12, 1730697), (18, 1153798), (36, 576899)]