20945258

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{32423}}^1$

素因数の和:32461

約数の個数: 16

約数和(自身を含む): 35017920

約数和(自身を除く): 14072662

約数列:

[1, 2, 17, 19, 34, 38, 323, 646, 32423, 64846, 551191, 616037, 1102382, 1232074, 10472629, 20945258]

約数ペア:

[(1, 20945258), (2, 10472629), (17, 1232074), (19, 1102382), (34, 616037), (38, 551191), (323, 64846), (646, 32423)]