2017019780

素因数分解:

$2^2\times 5^1\times {\mathrm{100850989}}^1$

素因数の和:100850998

約数の個数: 12

約数和(自身を含む): 4235741580

約数和(自身を除く): 2218721800

約数列:

[1, 2, 4, 5, 10, 20, 100850989, 201701978, 403403956, 504254945, 1008509890, 2017019780]

約数ペア:

[(1, 2017019780), (2, 1008509890), (4, 504254945), (5, 403403956), (10, 201701978), (20, 100850989)]