20963886

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{49211}}^1$

素因数の和:49287

約数の個数: 16

約数和(自身を含む): 42519168

約数和(自身を除く): 21555282

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 49211, 98422, 147633, 295266, 3493981, 6987962, 10481943, 20963886]

約数ペア:

[(1, 20963886), (2, 10481943), (3, 6987962), (6, 3493981), (71, 295266), (142, 147633), (213, 98422), (426, 49211)]