20201636

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1$

素因数の和:193

約数の個数: 96

約数和(自身を含む): 48168960

約数和(自身を除く): 27967324

約数列:

[1, 2, 4, 7, 13, 14, 19, 23, 26, 28, 38, 46, 52, 76, 91, 92, 127, 133, 161, 182, 247, 254, 266, 299, 322, 364, 437, 494, 508, 532, 598, 644, 874, 889, 988, 1196, 1651, 1729, 1748, 1778, 2093, 2413, 2921, 3059, 3302, 3458, 3556, 4186, 4826, 5681, 5842, 6118, 6604, 6916, 8372, 9652, 11362, 11557, 11684, 12236, 16891, 20447, 22724, 23114, 31369, 33782, 37973, 39767, 40894, 46228, 55499, 62738, 67564, 75946, 79534, 81788, 110998, 125476, 151892, 159068, 219583, 221996, 265811, 388493, 439166, 531622, 721487, 776986, 878332, 1063244, 1442974, 1553972, 2885948, 5050409, 10100818, 20201636]

約数ペア:

[(1, 20201636), (2, 10100818), (4, 5050409), (7, 2885948), (13, 1553972), (14, 1442974), (19, 1063244), (23, 878332), (26, 776986), (28, 721487), (38, 531622), (46, 439166), (52, 388493), (76, 265811), (91, 221996), (92, 219583), (127, 159068), (133, 151892), (161, 125476), (182, 110998), (247, 81788), (254, 79534), (266, 75946), (299, 67564), (322, 62738), (364, 55499), (437, 46228), (494, 40894), (508, 39767), (532, 37973), (598, 33782), (644, 31369), (874, 23114), (889, 22724), (988, 20447), (1196, 16891), (1651, 12236), (1729, 11684), (1748, 11557), (1778, 11362), (2093, 9652), (2413, 8372), (2921, 6916), (3059, 6604), (3302, 6118), (3458, 5842), (3556, 5681), (4186, 4826)]