20499994

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1\times {\mathrm{1439}}^1$

素因数の和:1877

約数の個数: 16

約数和(自身を含む): 32659200

約数和(自身を除く): 12159206

約数列:

[1, 2, 17, 34, 419, 838, 1439, 2878, 7123, 14246, 24463, 48926, 602941, 1205882, 10249997, 20499994]

約数ペア:

[(1, 20499994), (2, 10249997), (17, 1205882), (34, 602941), (419, 48926), (838, 24463), (1439, 14246), (2878, 7123)]