20289333

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{1451}}^1$

素因数の和:1592

約数の個数: 16

約数和(自身を含む): 27878400

約数和(自身を除く): 7589067

約数列:

[1, 3, 59, 79, 177, 237, 1451, 4353, 4661, 13983, 85609, 114629, 256827, 343887, 6763111, 20289333]

約数ペア:

[(1, 20289333), (3, 6763111), (59, 343887), (79, 256827), (177, 114629), (237, 85609), (1451, 13983), (4353, 4661)]