20388675894

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{720397}}^1$

素因数の和:720544

約数の個数: 32

約数和(自身を含む): 42013611360

約数和(自身を除く): 21624935466

約数列:

[1, 2, 3, 6, 53, 89, 106, 159, 178, 267, 318, 534, 4717, 9434, 14151, 28302, 720397, 1440794, 2161191, 4322382, 38181041, 64115333, 76362082, 114543123, 128230666, 192345999, 229086246, 384691998, 3398112649, 6796225298, 10194337947, 20388675894]

約数ペア:

[(1, 20388675894), (2, 10194337947), (3, 6796225298), (6, 3398112649), (53, 384691998), (89, 229086246), (106, 192345999), (159, 128230666), (178, 114543123), (267, 76362082), (318, 64115333), (534, 38181041), (4717, 4322382), (9434, 2161191), (14151, 1440794), (28302, 720397)]