204205460

素因数分解:

$2^2\times 5^1\times {\mathrm{991}}^1\times {\mathrm{10303}}^1$

素因数の和:11303

約数の個数: 24

約数和(自身を含む): 429305856

約数和(自身を除く): 225100396

約数列:

[1, 2, 4, 5, 10, 20, 991, 1982, 3964, 4955, 9910, 10303, 19820, 20606, 41212, 51515, 103030, 206060, 10210273, 20420546, 40841092, 51051365, 102102730, 204205460]

約数ペア:

[(1, 204205460), (2, 102102730), (4, 51051365), (5, 40841092), (10, 20420546), (20, 10210273), (991, 206060), (1982, 103030), (3964, 51515), (4955, 41212), (9910, 20606), (10303, 19820)]