20673864

素因数分解:

$2^3\times 3^2\times {\mathrm{287137}}^1$

素因数の和:287149

約数の個数: 24

約数和(自身を含む): 55991910

約数和(自身を除く): 35318046

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 287137, 574274, 861411, 1148548, 1722822, 2297096, 2584233, 3445644, 5168466, 6891288, 10336932, 20673864]

約数ペア:

[(1, 20673864), (2, 10336932), (3, 6891288), (4, 5168466), (6, 3445644), (8, 2584233), (9, 2297096), (12, 1722822), (18, 1148548), (24, 861411), (36, 574274), (72, 287137)]