19826620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{90121}}^1$

素因数の和:90141

約数の個数: 24

約数和(自身を含む): 45421488

約数和(自身を除く): 25594868

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 90121, 180242, 360484, 450605, 901210, 991331, 1802420, 1982662, 3965324, 4956655, 9913310, 19826620]

約数ペア:

[(1, 19826620), (2, 9913310), (4, 4956655), (5, 3965324), (10, 1982662), (11, 1802420), (20, 991331), (22, 901210), (44, 450605), (55, 360484), (110, 180242), (220, 90121)]