20848919

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{13477}}^1$

素因数の和:13514

約数の個数: 16

約数和(自身を含む): 27171648

約数和(自身を除く): 6322729

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 13477, 94339, 175201, 229109, 1226407, 1603763, 2978417, 20848919]

約数ペア:

[(1, 20848919), (7, 2978417), (13, 1603763), (17, 1226407), (91, 229109), (119, 175201), (221, 94339), (1547, 13477)]