20578878

素因数分解:

$2^1\times 3^2\times {\mathrm{389}}^1\times {\mathrm{2939}}^1$

素因数の和:3336

約数の個数: 24

約数和(自身を含む): 44717400

約数和(自身を除く): 24138522

約数列:

[1, 2, 3, 6, 9, 18, 389, 778, 1167, 2334, 2939, 3501, 5878, 7002, 8817, 17634, 26451, 52902, 1143271, 2286542, 3429813, 6859626, 10289439, 20578878]

約数ペア:

[(1, 20578878), (2, 10289439), (3, 6859626), (6, 3429813), (9, 2286542), (18, 1143271), (389, 52902), (778, 26451), (1167, 17634), (2334, 8817), (2939, 7002), (3501, 5878)]