20310663

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{1993}}^1$

素因数の和:2118

約数の個数: 16

約数和(自身を含む): 28075520

約数和(自身を除く): 7764857

約数列:

[1, 3, 43, 79, 129, 237, 1993, 3397, 5979, 10191, 85699, 157447, 257097, 472341, 6770221, 20310663]

約数ペア:

[(1, 20310663), (3, 6770221), (43, 472341), (79, 257097), (129, 157447), (237, 85699), (1993, 10191), (3397, 5979)]