20807918206

素因数分解:

$2^1\times {\mathrm{271}}^1\times {\mathrm{2657}}^1\times {\mathrm{14449}}^1$

素因数の和:17379

約数の個数: 16

約数和(自身を含む): 31341009600

約数和(自身を除く): 10533091394

約数列:

[1, 2, 271, 542, 2657, 5314, 14449, 28898, 720047, 1440094, 3915679, 7831358, 38390993, 76781986, 10403959103, 20807918206]

約数ペア:

[(1, 20807918206), (2, 10403959103), (271, 76781986), (542, 38390993), (2657, 7831358), (5314, 3915679), (14449, 1440094), (28898, 720047)]