201686180

素因数分解:

$2^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{20707}}^1$

素因数の和:21203

約数の個数: 24

約数和(自身を含む): 424431168

約数和(自身を除く): 222744988

約数列:

[1, 2, 4, 5, 10, 20, 487, 974, 1948, 2435, 4870, 9740, 20707, 41414, 82828, 103535, 207070, 414140, 10084309, 20168618, 40337236, 50421545, 100843090, 201686180]

約数ペア:

[(1, 201686180), (2, 100843090), (4, 50421545), (5, 40337236), (10, 20168618), (20, 10084309), (487, 414140), (974, 207070), (1948, 103535), (2435, 82828), (4870, 41414), (9740, 20707)]