20786982040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{4294831}}^1$

素因数の和:4294864

約数の個数: 48

約数和(自身を含む): 51409139040

約数和(自身を除く): 30622157000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 4294831, 8589662, 17179324, 21474155, 34358648, 42948310, 47243141, 85896620, 94486282, 171793240, 188972564, 236215705, 377945128, 472431410, 519674551, 944862820, 1039349102, 1889725640, 2078698204, 2598372755, 4157396408, 5196745510, 10393491020, 20786982040]

約数ペア:

[(1, 20786982040), (2, 10393491020), (4, 5196745510), (5, 4157396408), (8, 2598372755), (10, 2078698204), (11, 1889725640), (20, 1039349102), (22, 944862820), (40, 519674551), (44, 472431410), (55, 377945128), (88, 236215705), (110, 188972564), (121, 171793240), (220, 94486282), (242, 85896620), (440, 47243141), (484, 42948310), (605, 34358648), (968, 21474155), (1210, 17179324), (2420, 8589662), (4840, 4294831)]