20649740

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{35603}}^1$

素因数の和:35641

約数の個数: 24

約数和(自身を含む): 44861040

約数和(自身を除く): 24211300

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 35603, 71206, 142412, 178015, 356030, 712060, 1032487, 2064974, 4129948, 5162435, 10324870, 20649740]

約数ペア:

[(1, 20649740), (2, 10324870), (4, 5162435), (5, 4129948), (10, 2064974), (20, 1032487), (29, 712060), (58, 356030), (116, 178015), (145, 142412), (290, 71206), (580, 35603)]