20277356

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 40279680

約数和(自身を除く): 20002324

約数列:

[1, 2, 4, 11, 22, 44, 59, 73, 107, 118, 146, 214, 236, 292, 428, 649, 803, 1177, 1298, 1606, 2354, 2596, 3212, 4307, 4708, 6313, 7811, 8614, 12626, 15622, 17228, 25252, 31244, 47377, 69443, 85921, 94754, 138886, 171842, 189508, 277772, 343684, 460849, 921698, 1843396, 5069339, 10138678, 20277356]

約数ペア:

[(1, 20277356), (2, 10138678), (4, 5069339), (11, 1843396), (22, 921698), (44, 460849), (59, 343684), (73, 277772), (107, 189508), (118, 171842), (146, 138886), (214, 94754), (236, 85921), (292, 69443), (428, 47377), (649, 31244), (803, 25252), (1177, 17228), (1298, 15622), (1606, 12626), (2354, 8614), (2596, 7811), (3212, 6313), (4307, 4708)]