20633404

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{479}}^1$

素因数の和:594

約数の個数: 36

約数和(自身を含む): 40219200

約数和(自身を除く): 19585796

約数列:

[1, 2, 4, 11, 22, 44, 89, 121, 178, 242, 356, 479, 484, 958, 979, 1916, 1958, 3916, 5269, 10538, 10769, 21076, 21538, 42631, 43076, 57959, 85262, 115918, 170524, 231836, 468941, 937882, 1875764, 5158351, 10316702, 20633404]

約数ペア:

[(1, 20633404), (2, 10316702), (4, 5158351), (11, 1875764), (22, 937882), (44, 468941), (89, 231836), (121, 170524), (178, 115918), (242, 85262), (356, 57959), (479, 43076), (484, 42631), (958, 21538), (979, 21076), (1916, 10769), (1958, 10538), (3916, 5269)]