20791435

素因数分解:

$5^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{751}}^1$

素因数の和:883

約数の個数: 24

約数和(自身を含む): 29318976

約数和(自身を除く): 8527541

約数列:

[1, 5, 7, 35, 49, 113, 245, 565, 751, 791, 3755, 3955, 5257, 5537, 26285, 27685, 36799, 84863, 183995, 424315, 594041, 2970205, 4158287, 20791435]

約数ペア:

[(1, 20791435), (5, 4158287), (7, 2970205), (35, 594041), (49, 424315), (113, 183995), (245, 84863), (565, 36799), (751, 27685), (791, 26285), (3755, 5537), (3955, 5257)]