20464577

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{1019}}^1$

素因数の和:1196

約数の個数: 16

約数和(自身を含む): 24806400

約数和(自身を除く): 4341823

約数列:

[1, 7, 19, 133, 151, 1019, 1057, 2869, 7133, 19361, 20083, 135527, 153869, 1077083, 2923511, 20464577]

約数ペア:

[(1, 20464577), (7, 2923511), (19, 1077083), (133, 153869), (151, 135527), (1019, 20083), (1057, 19361), (2869, 7133)]