20708142

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1$

素因数の和:162

約数の個数: 128

約数和(自身を含む): 56899584

約数和(自身を除く): 36191442

約数列:

[1, 2, 3, 6, 7, 13, 14, 17, 21, 23, 26, 34, 39, 42, 46, 51, 69, 78, 91, 97, 102, 119, 138, 161, 182, 194, 221, 238, 273, 291, 299, 322, 357, 391, 442, 483, 546, 582, 598, 663, 679, 714, 782, 897, 966, 1173, 1261, 1326, 1358, 1547, 1649, 1794, 2037, 2093, 2231, 2346, 2522, 2737, 3094, 3298, 3783, 4074, 4186, 4462, 4641, 4947, 5083, 5474, 6279, 6693, 7566, 8211, 8827, 9282, 9894, 10166, 11543, 12558, 13386, 15249, 15617, 16422, 17654, 21437, 23086, 26481, 29003, 30498, 31234, 34629, 35581, 37927, 42874, 46851, 52962, 58006, 64311, 69258, 71162, 75854, 87009, 93702, 106743, 113781, 128622, 150059, 174018, 203021, 213486, 227562, 265489, 300118, 406042, 450177, 493051, 530978, 609063, 796467, 900354, 986102, 1218126, 1479153, 1592934, 2958306, 3451357, 6902714, 10354071, 20708142]

約数ペア:

[(1, 20708142), (2, 10354071), (3, 6902714), (6, 3451357), (7, 2958306), (13, 1592934), (14, 1479153), (17, 1218126), (21, 986102), (23, 900354), (26, 796467), (34, 609063), (39, 530978), (42, 493051), (46, 450177), (51, 406042), (69, 300118), (78, 265489), (91, 227562), (97, 213486), (102, 203021), (119, 174018), (138, 150059), (161, 128622), (182, 113781), (194, 106743), (221, 93702), (238, 87009), (273, 75854), (291, 71162), (299, 69258), (322, 64311), (357, 58006), (391, 52962), (442, 46851), (483, 42874), (546, 37927), (582, 35581), (598, 34629), (663, 31234), (679, 30498), (714, 29003), (782, 26481), (897, 23086), (966, 21437), (1173, 17654), (1261, 16422), (1326, 15617), (1358, 15249), (1547, 13386), (1649, 12558), (1794, 11543), (2037, 10166), (2093, 9894), (2231, 9282), (2346, 8827), (2522, 8211), (2737, 7566), (3094, 6693), (3298, 6279), (3783, 5474), (4074, 5083), (4186, 4947), (4462, 4641)]