20508012

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{27127}}^1$

素因数の和:27147

約数の個数: 48

約数和(自身を含む): 60766720

約数和(自身を除く): 40258708

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 27127, 54254, 81381, 108508, 162762, 189889, 244143, 325524, 379778, 488286, 569667, 732429, 759556, 976572, 1139334, 1464858, 1709001, 2278668, 2929716, 3418002, 5127003, 6836004, 10254006, 20508012]

約数ペア:

[(1, 20508012), (2, 10254006), (3, 6836004), (4, 5127003), (6, 3418002), (7, 2929716), (9, 2278668), (12, 1709001), (14, 1464858), (18, 1139334), (21, 976572), (27, 759556), (28, 732429), (36, 569667), (42, 488286), (54, 379778), (63, 325524), (84, 244143), (108, 189889), (126, 162762), (189, 108508), (252, 81381), (378, 54254), (756, 27127)]