20419986

素因数分解:

$2^1\times 3^1\times {\mathrm{1031}}^1\times {\mathrm{3301}}^1$

素因数の和:4337

約数の個数: 16

約数和(自身を含む): 40891968

約数和(自身を除く): 20471982

約数列:

[1, 2, 3, 6, 1031, 2062, 3093, 3301, 6186, 6602, 9903, 19806, 3403331, 6806662, 10209993, 20419986]

約数ペア:

[(1, 20419986), (2, 10209993), (3, 6806662), (6, 3403331), (1031, 19806), (2062, 9903), (3093, 6602), (3301, 6186)]