20713876

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{479}}^1\times {\mathrm{569}}^1$

素因数の和:1071

約数の個数: 24

約数和(自身を含む): 38304000

約数和(自身を除く): 17590124

約数列:

[1, 2, 4, 19, 38, 76, 479, 569, 958, 1138, 1916, 2276, 9101, 10811, 18202, 21622, 36404, 43244, 272551, 545102, 1090204, 5178469, 10356938, 20713876]

約数ペア:

[(1, 20713876), (2, 10356938), (4, 5178469), (19, 1090204), (38, 545102), (76, 272551), (479, 43244), (569, 36404), (958, 21622), (1138, 18202), (1916, 10811), (2276, 9101)]