20139084580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{677}}^1\times {\mathrm{78283}}^1$

素因数の和:78988

約数の個数: 48

約数和(自身を含む): 44584303680

約数和(自身を除く): 24445219100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 677, 1354, 2708, 3385, 6770, 12863, 13540, 25726, 51452, 64315, 78283, 128630, 156566, 257260, 313132, 391415, 782830, 1487377, 1565660, 2974754, 5949508, 7436885, 14873770, 29747540, 52997591, 105995182, 211990364, 264987955, 529975910, 1006954229, 1059951820, 2013908458, 4027816916, 5034771145, 10069542290, 20139084580]

約数ペア:

[(1, 20139084580), (2, 10069542290), (4, 5034771145), (5, 4027816916), (10, 2013908458), (19, 1059951820), (20, 1006954229), (38, 529975910), (76, 264987955), (95, 211990364), (190, 105995182), (380, 52997591), (677, 29747540), (1354, 14873770), (2708, 7436885), (3385, 5949508), (6770, 2974754), (12863, 1565660), (13540, 1487377), (25726, 782830), (51452, 391415), (64315, 313132), (78283, 257260), (128630, 156566)]