20175687

素因数分解:

$3^2\times 7^1\times {\mathrm{293}}^1\times {\mathrm{1093}}^1$

素因数の和:1399

約数の個数: 24

約数和(自身を含む): 33450144

約数和(自身を除く): 13274457

約数列:

[1, 3, 7, 9, 21, 63, 293, 879, 1093, 2051, 2637, 3279, 6153, 7651, 9837, 18459, 22953, 68859, 320249, 960747, 2241743, 2882241, 6725229, 20175687]

約数ペア:

[(1, 20175687), (3, 6725229), (7, 2882241), (9, 2241743), (21, 960747), (63, 320249), (293, 68859), (879, 22953), (1093, 18459), (2051, 9837), (2637, 7651), (3279, 6153)]