20872008

素因数分解:

$2^3\times 3^2\times {\mathrm{289889}}^1$

素因数の和:289901

約数の個数: 24

約数和(自身を含む): 56528550

約数和(自身を除く): 35656542

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 289889, 579778, 869667, 1159556, 1739334, 2319112, 2609001, 3478668, 5218002, 6957336, 10436004, 20872008]

約数ペア:

[(1, 20872008), (2, 10436004), (3, 6957336), (4, 5218002), (6, 3478668), (8, 2609001), (9, 2319112), (12, 1739334), (18, 1159556), (24, 869667), (36, 579778), (72, 289889)]