20512100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{29303}}^1$

素因数の和:29324

約数の個数: 36

約数和(自身を含む): 50871744

約数和(自身を除く): 30359644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 29303, 58606, 117212, 146515, 205121, 293030, 410242, 586060, 732575, 820484, 1025605, 1465150, 2051210, 2930300, 4102420, 5128025, 10256050, 20512100]

約数ペア:

[(1, 20512100), (2, 10256050), (4, 5128025), (5, 4102420), (7, 2930300), (10, 2051210), (14, 1465150), (20, 1025605), (25, 820484), (28, 732575), (35, 586060), (50, 410242), (70, 293030), (100, 205121), (140, 146515), (175, 117212), (350, 58606), (700, 29303)]