20180648840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{45865111}}^1$

素因数の和:45865133

約数の個数: 32

約数和(自身を含む): 49534320960

約数和(自身を除く): 29353672120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 45865111, 91730222, 183460444, 229325555, 366920888, 458651110, 504516221, 917302220, 1009032442, 1834604440, 2018064884, 2522581105, 4036129768, 5045162210, 10090324420, 20180648840]

約数ペア:

[(1, 20180648840), (2, 10090324420), (4, 5045162210), (5, 4036129768), (8, 2522581105), (10, 2018064884), (11, 1834604440), (20, 1009032442), (22, 917302220), (40, 504516221), (44, 458651110), (55, 366920888), (88, 229325555), (110, 183460444), (220, 91730222), (440, 45865111)]