20994642025

素因数分解:

$5^2\times 7^1\times {\mathrm{769}}^1\times {\mathrm{156007}}^1$

素因数の和:156793

約数の個数: 24

約数和(自身を含む): 29791287680

約数和(自身を除く): 8796645655

約数列:

[1, 5, 7, 25, 35, 175, 769, 3845, 5383, 19225, 26915, 134575, 156007, 780035, 1092049, 3900175, 5460245, 27301225, 119969383, 599846915, 839785681, 2999234575, 4198928405, 20994642025]

約数ペア:

[(1, 20994642025), (5, 4198928405), (7, 2999234575), (25, 839785681), (35, 599846915), (175, 119969383), (769, 27301225), (3845, 5460245), (5383, 3900175), (19225, 1092049), (26915, 780035), (134575, 156007)]