20118536

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{739}}^1$

素因数の和:869

約数の個数: 32

約数和(自身を含む): 39160800

約数和(自身を除く): 19042264

約数列:

[1, 2, 4, 8, 41, 82, 83, 164, 166, 328, 332, 664, 739, 1478, 2956, 3403, 5912, 6806, 13612, 27224, 30299, 60598, 61337, 121196, 122674, 242392, 245348, 490696, 2514817, 5029634, 10059268, 20118536]

約数ペア:

[(1, 20118536), (2, 10059268), (4, 5029634), (8, 2514817), (41, 490696), (82, 245348), (83, 242392), (164, 122674), (166, 121196), (328, 61337), (332, 60598), (664, 30299), (739, 27224), (1478, 13612), (2956, 6806), (3403, 5912)]