20893313

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1693}}^1$

素因数の和:1784

約数の個数: 16

約数和(自身を含む): 25044096

約数和(自身を除く): 4150783

約数列:

[1, 7, 41, 43, 287, 301, 1693, 1763, 11851, 12341, 69413, 72799, 485891, 509593, 2984759, 20893313]

約数ペア:

[(1, 20893313), (7, 2984759), (41, 509593), (43, 485891), (287, 72799), (301, 69413), (1693, 12341), (1763, 11851)]