20349847

素因数分解:

$7^3\times {\mathrm{79}}^1\times {\mathrm{751}}^1$

素因数の和:851

約数の個数: 16

約数和(自身を含む): 24064000

約数和(自身を除く): 3714153

約数列:

[1, 7, 49, 79, 343, 553, 751, 3871, 5257, 27097, 36799, 59329, 257593, 415303, 2907121, 20349847]

約数ペア:

[(1, 20349847), (7, 2907121), (49, 415303), (79, 257593), (343, 59329), (553, 36799), (751, 27097), (3871, 5257)]