20495643

素因数分解:

$3^1\times 7^1\times {\mathrm{293}}^1\times {\mathrm{3331}}^1$

素因数の和:3634

約数の個数: 16

約数和(自身を含む): 31347456

約数和(自身を除く): 10851813

約数列:

[1, 3, 7, 21, 293, 879, 2051, 3331, 6153, 9993, 23317, 69951, 975983, 2927949, 6831881, 20495643]

約数ペア:

[(1, 20495643), (3, 6831881), (7, 2927949), (21, 975983), (293, 69951), (879, 23317), (2051, 9993), (3331, 6153)]