20320342

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{20443}}^1$

素因数の和:20523

約数の個数: 16

約数和(自身を含む): 35327232

約数和(自身を除く): 15006890

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 20443, 40886, 143101, 286202, 1451453, 2902906, 10160171, 20320342]

約数ペア:

[(1, 20320342), (2, 10160171), (7, 2902906), (14, 1451453), (71, 286202), (142, 143101), (497, 40886), (994, 20443)]