20156606

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1\times {\mathrm{1063}}^1$

素因数の和:1583

約数の個数: 16

約数和(自身を含む): 31920000

約数和(自身を除く): 11763394

約数列:

[1, 2, 19, 38, 499, 998, 1063, 2126, 9481, 18962, 20197, 40394, 530437, 1060874, 10078303, 20156606]

約数ペア:

[(1, 20156606), (2, 10078303), (19, 1060874), (38, 530437), (499, 40394), (998, 20197), (1063, 18962), (2126, 9481)]