20750508

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1319}}^1$

素因数の和:1371

約数の個数: 72

約数和(自身を含む): 57657600

約数和(自身を除く): 36907092

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 23, 36, 38, 46, 57, 69, 76, 92, 114, 138, 171, 207, 228, 276, 342, 414, 437, 684, 828, 874, 1311, 1319, 1748, 2622, 2638, 3933, 3957, 5244, 5276, 7866, 7914, 11871, 15732, 15828, 23742, 25061, 30337, 47484, 50122, 60674, 75183, 91011, 100244, 121348, 150366, 182022, 225549, 273033, 300732, 364044, 451098, 546066, 576403, 902196, 1092132, 1152806, 1729209, 2305612, 3458418, 5187627, 6916836, 10375254, 20750508]

約数ペア:

[(1, 20750508), (2, 10375254), (3, 6916836), (4, 5187627), (6, 3458418), (9, 2305612), (12, 1729209), (18, 1152806), (19, 1092132), (23, 902196), (36, 576403), (38, 546066), (46, 451098), (57, 364044), (69, 300732), (76, 273033), (92, 225549), (114, 182022), (138, 150366), (171, 121348), (207, 100244), (228, 91011), (276, 75183), (342, 60674), (414, 50122), (437, 47484), (684, 30337), (828, 25061), (874, 23742), (1311, 15828), (1319, 15732), (1748, 11871), (2622, 7914), (2638, 7866), (3933, 5276), (3957, 5244)]