220136620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1000621}}^1$

素因数の和:1000641

約数の個数: 24

約数和(自身を含む): 504313488

約数和(自身を除く): 284176868

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1000621, 2001242, 4002484, 5003105, 10006210, 11006831, 20012420, 22013662, 44027324, 55034155, 110068310, 220136620]

約数ペア:

[(1, 220136620), (2, 110068310), (4, 55034155), (5, 44027324), (10, 22013662), (11, 20012420), (20, 11006831), (22, 10006210), (44, 5003105), (55, 4002484), (110, 2001242), (220, 1000621)]