20907506

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{7451}}^1$

素因数の和:7537

約数の個数: 16

約数和(自身を含む): 33265728

約数和(自身を除く): 12358222

約数列:

[1, 2, 23, 46, 61, 122, 1403, 2806, 7451, 14902, 171373, 342746, 454511, 909022, 10453753, 20907506]

約数ペア:

[(1, 20907506), (2, 10453753), (23, 909022), (46, 454511), (61, 342746), (122, 171373), (1403, 14902), (2806, 7451)]