20535740

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{27751}}^1$

素因数の和:27797

約数の個数: 24

約数和(自身を含む): 44292192

約数和(自身を除く): 23756452

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 27751, 55502, 111004, 138755, 277510, 555020, 1026787, 2053574, 4107148, 5133935, 10267870, 20535740]

約数ペア:

[(1, 20535740), (2, 10267870), (4, 5133935), (5, 4107148), (10, 2053574), (20, 1026787), (37, 555020), (74, 277510), (148, 138755), (185, 111004), (370, 55502), (740, 27751)]