20704268

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{2063}}^1$

素因数の和:2273

約数の個数: 24

約数和(自身を含む): 39240768

約数和(自身を除く): 18536500

約数列:

[1, 2, 4, 13, 26, 52, 193, 386, 772, 2063, 2509, 4126, 5018, 8252, 10036, 26819, 53638, 107276, 398159, 796318, 1592636, 5176067, 10352134, 20704268]

約数ペア:

[(1, 20704268), (2, 10352134), (4, 5176067), (13, 1592636), (26, 796318), (52, 398159), (193, 107276), (386, 53638), (772, 26819), (2063, 10036), (2509, 8252), (4126, 5018)]