20102758

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{17981}}^1$

素因数の和:18039

約数の個数: 16

約数和(自身を含む): 33230736

約数和(自身を除く): 13127978

約数列:

[1, 2, 13, 26, 43, 86, 559, 1118, 17981, 35962, 233753, 467506, 773183, 1546366, 10051379, 20102758]

約数ペア:

[(1, 20102758), (2, 10051379), (13, 1546366), (26, 773183), (43, 467506), (86, 233753), (559, 35962), (1118, 17981)]