20875540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149111}}^1$

素因数の和:149127

約数の個数: 24

約数和(自身を含む): 50101632

約数和(自身を除く): 29226092

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149111, 298222, 596444, 745555, 1043777, 1491110, 2087554, 2982220, 4175108, 5218885, 10437770, 20875540]

約数ペア:

[(1, 20875540), (2, 10437770), (4, 5218885), (5, 4175108), (7, 2982220), (10, 2087554), (14, 1491110), (20, 1043777), (28, 745555), (35, 596444), (70, 298222), (140, 149111)]