20005937060

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{373}}^1\times {\mathrm{13613}}^1$

素因数の和:14192

約数の個数: 48

約数和(自身を含む): 42342044976

約数和(自身を除く): 22336107916

約数列:

[1, 2, 4, 5, 10, 20, 197, 373, 394, 746, 788, 985, 1492, 1865, 1970, 3730, 3940, 7460, 13613, 27226, 54452, 68065, 73481, 136130, 146962, 272260, 293924, 367405, 734810, 1469620, 2681761, 5077649, 5363522, 10155298, 10727044, 13408805, 20310596, 25388245, 26817610, 50776490, 53635220, 101552980, 1000296853, 2000593706, 4001187412, 5001484265, 10002968530, 20005937060]

約数ペア:

[(1, 20005937060), (2, 10002968530), (4, 5001484265), (5, 4001187412), (10, 2000593706), (20, 1000296853), (197, 101552980), (373, 53635220), (394, 50776490), (746, 26817610), (788, 25388245), (985, 20310596), (1492, 13408805), (1865, 10727044), (1970, 10155298), (3730, 5363522), (3940, 5077649), (7460, 2681761), (13613, 1469620), (27226, 734810), (54452, 367405), (68065, 293924), (73481, 272260), (136130, 146962)]