201977540

素因数分解:

$2^2\times 5^1\times {\mathrm{10098877}}^1$

素因数の和:10098886

約数の個数: 12

約数和(自身を含む): 424152876

約数和(自身を除く): 222175336

約数列:

[1, 2, 4, 5, 10, 20, 10098877, 20197754, 40395508, 50494385, 100988770, 201977540]

約数ペア:

[(1, 201977540), (2, 100988770), (4, 50494385), (5, 40395508), (10, 20197754), (20, 10098877)]