2017115780

素因数分解:

$2^2\times 5^1\times {\mathrm{100855789}}^1$

素因数の和:100855798

約数の個数: 12

約数和(自身を含む): 4235943180

約数和(自身を除く): 2218827400

約数列:

[1, 2, 4, 5, 10, 20, 100855789, 201711578, 403423156, 504278945, 1008557890, 2017115780]

約数ペア:

[(1, 2017115780), (2, 1008557890), (4, 504278945), (5, 403423156), (10, 201711578), (20, 100855789)]