20158654677

素因数分解:

$3^1\times 7^1\times {\mathrm{40009}}^1\times {\mathrm{23993}}^1$

素因数の和:64012

約数の個数: 16

約数和(自身を含む): 30719998080

約数和(自身を除く): 10561343403

約数列:

[1, 3, 7, 21, 23993, 40009, 71979, 120027, 167951, 280063, 503853, 840189, 959935937, 2879807811, 6719551559, 20158654677]

約数ペア:

[(1, 20158654677), (3, 6719551559), (7, 2879807811), (21, 959935937), (23993, 840189), (40009, 503853), (71979, 280063), (120027, 167951)]