20996906105

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{20686607}}^1$

素因数の和:20686648

約数の個数: 16

約数和(自身を含む): 29788715520

約数和(自身を除く): 8791809415

約数列:

[1, 5, 7, 29, 35, 145, 203, 1015, 20686607, 103433035, 144806249, 599911603, 724031245, 2999558015, 4199381221, 20996906105]

約数ペア:

[(1, 20996906105), (5, 4199381221), (7, 2999558015), (29, 724031245), (35, 599911603), (145, 144806249), (203, 103433035), (1015, 20686607)]