20080587

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1$

素因数の和:132

約数の個数: 48

約数和(自身を含む): 31829760

約数和(自身を除く): 11749173

約数列:

[1, 3, 17, 19, 23, 51, 53, 57, 69, 159, 289, 323, 391, 437, 867, 901, 969, 1007, 1173, 1219, 1311, 2703, 3021, 3657, 5491, 6647, 7429, 15317, 16473, 17119, 19941, 20723, 22287, 23161, 45951, 51357, 62169, 69483, 126293, 291023, 352291, 378879, 393737, 873069, 1056873, 1181211, 6693529, 20080587]

約数ペア:

[(1, 20080587), (3, 6693529), (17, 1181211), (19, 1056873), (23, 873069), (51, 393737), (53, 378879), (57, 352291), (69, 291023), (159, 126293), (289, 69483), (323, 62169), (391, 51357), (437, 45951), (867, 23161), (901, 22287), (969, 20723), (1007, 19941), (1173, 17119), (1219, 16473), (1311, 15317), (2703, 7429), (3021, 6647), (3657, 5491)]