20715732

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{197}}^1$

素因数の和:357

約数の個数: 72

約数和(自身を含む): 55351296

約数和(自身を除く): 34635564

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 127, 138, 197, 207, 254, 276, 381, 394, 414, 508, 591, 762, 788, 828, 1143, 1182, 1524, 1773, 2286, 2364, 2921, 3546, 4531, 4572, 5842, 7092, 8763, 9062, 11684, 13593, 17526, 18124, 25019, 26289, 27186, 35052, 40779, 50038, 52578, 54372, 75057, 81558, 100076, 105156, 150114, 163116, 225171, 300228, 450342, 575437, 900684, 1150874, 1726311, 2301748, 3452622, 5178933, 6905244, 10357866, 20715732]

約数ペア:

[(1, 20715732), (2, 10357866), (3, 6905244), (4, 5178933), (6, 3452622), (9, 2301748), (12, 1726311), (18, 1150874), (23, 900684), (36, 575437), (46, 450342), (69, 300228), (92, 225171), (127, 163116), (138, 150114), (197, 105156), (207, 100076), (254, 81558), (276, 75057), (381, 54372), (394, 52578), (414, 50038), (508, 40779), (591, 35052), (762, 27186), (788, 26289), (828, 25019), (1143, 18124), (1182, 17526), (1524, 13593), (1773, 11684), (2286, 9062), (2364, 8763), (2921, 7092), (3546, 5842), (4531, 4572)]