20501682745

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{440849}}^1$

素因数の和:441056

約数の個数: 16

約数和(自身を含む): 25139030400

約数和(自身を除く): 4637347655

約数列:

[1, 5, 71, 131, 355, 655, 9301, 46505, 440849, 2204245, 31300279, 57751219, 156501395, 288756095, 4100336549, 20501682745]

約数ペア:

[(1, 20501682745), (5, 4100336549), (71, 288756095), (131, 156501395), (355, 57751219), (655, 31300279), (9301, 2204245), (46505, 440849)]