20453279

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{11549}}^1$

素因数の和:11590

約数の個数: 16

約数和(自身を含む): 26611200

約数和(自身を除く): 6157921

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 11549, 80843, 127039, 265627, 889273, 1859389, 2921897, 20453279]

約数ペア:

[(1, 20453279), (7, 2921897), (11, 1859389), (23, 889273), (77, 265627), (161, 127039), (253, 80843), (1771, 11549)]