20156620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{91621}}^1$

素因数の和:91641

約数の個数: 24

約数和(自身を含む): 46177488

約数和(自身を除く): 26020868

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 91621, 183242, 366484, 458105, 916210, 1007831, 1832420, 2015662, 4031324, 5039155, 10078310, 20156620]

約数ペア:

[(1, 20156620), (2, 10078310), (4, 5039155), (5, 4031324), (10, 2015662), (11, 1832420), (20, 1007831), (22, 916210), (44, 458105), (55, 366484), (110, 183242), (220, 91621)]