20528900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{29327}}^1$

素因数の和:29348

約数の個数: 36

約数和(自身を含む): 50913408

約数和(自身を除く): 30384508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 29327, 58654, 117308, 146635, 205289, 293270, 410578, 586540, 733175, 821156, 1026445, 1466350, 2052890, 2932700, 4105780, 5132225, 10264450, 20528900]

約数ペア:

[(1, 20528900), (2, 10264450), (4, 5132225), (5, 4105780), (7, 2932700), (10, 2052890), (14, 1466350), (20, 1026445), (25, 821156), (28, 733175), (35, 586540), (50, 410578), (70, 293270), (100, 205289), (140, 146635), (175, 117308), (350, 58654), (700, 29327)]