20785096988

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{601}}^1\times {\mathrm{6967}}^1$

素因数の和:7662

約数の個数: 48

約数和(自身を含む): 39111718464

約数和(自身を除く): 18326621476

約数列:

[1, 2, 4, 17, 34, 68, 73, 146, 292, 601, 1202, 1241, 2404, 2482, 4964, 6967, 10217, 13934, 20434, 27868, 40868, 43873, 87746, 118439, 175492, 236878, 473756, 508591, 745841, 1017182, 1491682, 2034364, 2983364, 4187167, 8374334, 8646047, 16748668, 17292094, 34584188, 71181839, 142363678, 284727356, 305663191, 611326382, 1222652764, 5196274247, 10392548494, 20785096988]

約数ペア:

[(1, 20785096988), (2, 10392548494), (4, 5196274247), (17, 1222652764), (34, 611326382), (68, 305663191), (73, 284727356), (146, 142363678), (292, 71181839), (601, 34584188), (1202, 17292094), (1241, 16748668), (2404, 8646047), (2482, 8374334), (4964, 4187167), (6967, 2983364), (10217, 2034364), (13934, 1491682), (20434, 1017182), (27868, 745841), (40868, 508591), (43873, 473756), (87746, 236878), (118439, 175492)]