20804344

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{4007}}^1$

素因数の和:4083

約数の個数: 32

約数和(自身を含む): 43286400

約数和(自身を除く): 22482056

約数列:

[1, 2, 4, 8, 11, 22, 44, 59, 88, 118, 236, 472, 649, 1298, 2596, 4007, 5192, 8014, 16028, 32056, 44077, 88154, 176308, 236413, 352616, 472826, 945652, 1891304, 2600543, 5201086, 10402172, 20804344]

約数ペア:

[(1, 20804344), (2, 10402172), (4, 5201086), (8, 2600543), (11, 1891304), (22, 945652), (44, 472826), (59, 352616), (88, 236413), (118, 176308), (236, 88154), (472, 44077), (649, 32056), (1298, 16028), (2596, 8014), (4007, 5192)]