20666542

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{19387}}^1$

素因数の和:19443

約数の個数: 16

約数和(自身を含む): 34200432

約数和(自身を除く): 13533890

約数列:

[1, 2, 13, 26, 41, 82, 533, 1066, 19387, 38774, 252031, 504062, 794867, 1589734, 10333271, 20666542]

約数ペア:

[(1, 20666542), (2, 10333271), (13, 1589734), (26, 794867), (41, 504062), (82, 252031), (533, 38774), (1066, 19387)]