20805814897

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{2731}}^1\times {\mathrm{37529}}^1$

素因数の和:40296

約数の個数: 16

約数和(自身を含む): 24607670400

約数和(自身を除く): 3801855503

約数列:

[1, 7, 29, 203, 2731, 19117, 37529, 79199, 262703, 554393, 1088341, 7618387, 102491699, 717441893, 2972259271, 20805814897]

約数ペア:

[(1, 20805814897), (7, 2972259271), (29, 717441893), (203, 102491699), (2731, 7618387), (19117, 1088341), (37529, 554393), (79199, 262703)]