2019926620

素因数分解:

$2^2\times 5^1\times {\mathrm{100996331}}^1$

素因数の和:100996340

約数の個数: 12

約数和(自身を含む): 4241845944

約数和(自身を除く): 2221919324

約数列:

[1, 2, 4, 5, 10, 20, 100996331, 201992662, 403985324, 504981655, 1009963310, 2019926620]

約数ペア:

[(1, 2019926620), (2, 1009963310), (4, 504981655), (5, 403985324), (10, 201992662), (20, 100996331)]