20172960871

素因数分解:

$7^3\times {\mathrm{787}}^1\times {\mathrm{74731}}^1$

素因数の和:75539

約数の個数: 16

約数和(自身を含む): 23555526400

約数和(自身を除く): 3382565529

約数列:

[1, 7, 49, 343, 787, 5509, 38563, 74731, 269941, 523117, 3661819, 25632733, 58813297, 411693079, 2881851553, 20172960871]

約数ペア:

[(1, 20172960871), (7, 2881851553), (49, 411693079), (343, 58813297), (787, 25632733), (5509, 3661819), (38563, 523117), (74731, 269941)]