20033321

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{1723}}^1$

素因数の和:1892

約数の個数: 16

約数和(自身を含む): 25156608

約数和(自身を除く): 5123287

約数列:

[1, 7, 11, 77, 151, 1057, 1661, 1723, 11627, 12061, 18953, 132671, 260173, 1821211, 2861903, 20033321]

約数ペア:

[(1, 20033321), (7, 2861903), (11, 1821211), (77, 260173), (151, 132671), (1057, 18953), (1661, 12061), (1723, 11627)]