19902862

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{20023}}^1$

素因数の和:20103

約数の個数: 16

約数和(自身を含む): 34601472

約数和(自身を除く): 14698610

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 20023, 40046, 140161, 280322, 1421633, 2843266, 9951431, 19902862]

約数ペア:

[(1, 19902862), (2, 9951431), (7, 2843266), (14, 1421633), (71, 280322), (142, 140161), (497, 40046), (994, 20023)]