20695599

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{1009}}^1$

素因数の和:1111

約数の個数: 24

約数和(自身を含む): 31196880

約数和(自身を除く): 10501281

約数列:

[1, 3, 9, 43, 53, 129, 159, 387, 477, 1009, 2279, 3027, 6837, 9081, 20511, 43387, 53477, 130161, 160431, 390483, 481293, 2299511, 6898533, 20695599]

約数ペア:

[(1, 20695599), (3, 6898533), (9, 2299511), (43, 481293), (53, 390483), (129, 160431), (159, 130161), (387, 53477), (477, 43387), (1009, 20511), (2279, 9081), (3027, 6837)]