20005726

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{24821}}^1$

素因数の和:24867

約数の個数: 16

約数和(自身を含む): 33360768

約数和(自身を除く): 13355042

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 24821, 49642, 322673, 645346, 769451, 1538902, 10002863, 20005726]

約数ペア:

[(1, 20005726), (2, 10002863), (13, 1538902), (26, 769451), (31, 645346), (62, 322673), (403, 49642), (806, 24821)]