20456077816

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{3823}}^1\times {\mathrm{18077}}^1$

素因数の和:21943

約数の個数: 32

約数和(自身を含む): 39404255040

約数和(自身を除く): 18948177224

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 3823, 7646, 15292, 18077, 30584, 36154, 72308, 141451, 144616, 282902, 565804, 668849, 1131608, 1337698, 2675396, 5350792, 69108371, 138216742, 276433484, 552866968, 2557009727, 5114019454, 10228038908, 20456077816]

約数ペア:

[(1, 20456077816), (2, 10228038908), (4, 5114019454), (8, 2557009727), (37, 552866968), (74, 276433484), (148, 138216742), (296, 69108371), (3823, 5350792), (7646, 2675396), (15292, 1337698), (18077, 1131608), (30584, 668849), (36154, 565804), (72308, 282902), (141451, 144616)]