20274080

素因数分解:

$2^5\times 5^1\times {\mathrm{126713}}^1$

素因数の和:126728

約数の個数: 24

約数和(自身を含む): 47897892

約数和(自身を除く): 27623812

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 126713, 253426, 506852, 633565, 1013704, 1267130, 2027408, 2534260, 4054816, 5068520, 10137040, 20274080]

約数ペア:

[(1, 20274080), (2, 10137040), (4, 5068520), (5, 4054816), (8, 2534260), (10, 2027408), (16, 1267130), (20, 1013704), (32, 633565), (40, 506852), (80, 253426), (160, 126713)]