2017119820

素因数分解:

$2^2\times 5^1\times {\mathrm{100855991}}^1$

素因数の和:100856000

約数の個数: 12

約数和(自身を含む): 4235951664

約数和(自身を除く): 2218831844

約数列:

[1, 2, 4, 5, 10, 20, 100855991, 201711982, 403423964, 504279955, 1008559910, 2017119820]

約数ペア:

[(1, 2017119820), (2, 1008559910), (4, 504279955), (5, 403423964), (10, 201711982), (20, 100855991)]