20884292009

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1\times {\mathrm{1171}}^1$

素因数の和:1474

約数の個数: 48

約数和(自身を含む): 25652736000

約数和(自身を除く): 4768443991

約数列:

[1, 7, 31, 49, 59, 199, 217, 413, 1171, 1393, 1519, 1829, 2891, 6169, 8197, 9751, 11741, 12803, 36301, 43183, 57379, 69089, 82187, 89621, 233029, 254107, 302281, 363971, 483623, 575309, 1631203, 1778749, 2141759, 2547797, 3385361, 7223899, 11418421, 13748711, 14992313, 17834579, 50567293, 96240977, 104946191, 353971051, 426210041, 673686839, 2983470287, 20884292009]

約数ペア:

[(1, 20884292009), (7, 2983470287), (31, 673686839), (49, 426210041), (59, 353971051), (199, 104946191), (217, 96240977), (413, 50567293), (1171, 17834579), (1393, 14992313), (1519, 13748711), (1829, 11418421), (2891, 7223899), (6169, 3385361), (8197, 2547797), (9751, 2141759), (11741, 1778749), (12803, 1631203), (36301, 575309), (43183, 483623), (57379, 363971), (69089, 302281), (82187, 254107), (89621, 233029)]