20218397660

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{27322159}}^1$

素因数の和:27322205

約数の個数: 24

約数和(自身を含む): 43606167360

約数和(自身を除く): 23387769700

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 27322159, 54644318, 109288636, 136610795, 273221590, 546443180, 1010919883, 2021839766, 4043679532, 5054599415, 10109198830, 20218397660]

約数ペア:

[(1, 20218397660), (2, 10109198830), (4, 5054599415), (5, 4043679532), (10, 2021839766), (20, 1010919883), (37, 546443180), (74, 273221590), (148, 136610795), (185, 109288636), (370, 54644318), (740, 27322159)]