20786620010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{159897077}}^1$

素因数の和:159897097

約数の個数: 16

約数和(自身を含む): 40294063656

約数和(自身を除く): 19507443646

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 159897077, 319794154, 799485385, 1598970770, 2078662001, 4157324002, 10393310005, 20786620010]

約数ペア:

[(1, 20786620010), (2, 10393310005), (5, 4157324002), (10, 2078662001), (13, 1598970770), (26, 799485385), (65, 319794154), (130, 159897077)]