20173949585

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{5147}}^1$

素因数の和:5465

約数の個数: 32

約数和(自身を含む): 25094893824

約数和(自身を除く): 4920944239

約数列:

[1, 5, 61, 71, 181, 305, 355, 905, 4331, 5147, 11041, 12851, 21655, 25735, 55205, 64255, 313967, 365437, 783911, 931607, 1569835, 1827185, 3919555, 4658035, 22291657, 56828027, 66144097, 111458285, 284140135, 330720485, 4034789917, 20173949585]

約数ペア:

[(1, 20173949585), (5, 4034789917), (61, 330720485), (71, 284140135), (181, 111458285), (305, 66144097), (355, 56828027), (905, 22291657), (4331, 4658035), (5147, 3919555), (11041, 1827185), (12851, 1569835), (21655, 931607), (25735, 783911), (55205, 365437), (64255, 313967)]