20478024

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{991}}^1$

素因数の和:1051

約数の個数: 96

約数和(自身を含む): 64995840

約数和(自身を除く): 44517816

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 41, 42, 56, 63, 72, 82, 84, 123, 126, 164, 168, 246, 252, 287, 328, 369, 492, 504, 574, 738, 861, 984, 991, 1148, 1476, 1722, 1982, 2296, 2583, 2952, 2973, 3444, 3964, 5166, 5946, 6888, 6937, 7928, 8919, 10332, 11892, 13874, 17838, 20664, 20811, 23784, 27748, 35676, 40631, 41622, 55496, 62433, 71352, 81262, 83244, 121893, 124866, 162524, 166488, 243786, 249732, 284417, 325048, 365679, 487572, 499464, 568834, 731358, 853251, 975144, 1137668, 1462716, 1706502, 2275336, 2559753, 2925432, 3413004, 5119506, 6826008, 10239012, 20478024]

約数ペア:

[(1, 20478024), (2, 10239012), (3, 6826008), (4, 5119506), (6, 3413004), (7, 2925432), (8, 2559753), (9, 2275336), (12, 1706502), (14, 1462716), (18, 1137668), (21, 975144), (24, 853251), (28, 731358), (36, 568834), (41, 499464), (42, 487572), (56, 365679), (63, 325048), (72, 284417), (82, 249732), (84, 243786), (123, 166488), (126, 162524), (164, 124866), (168, 121893), (246, 83244), (252, 81262), (287, 71352), (328, 62433), (369, 55496), (492, 41622), (504, 40631), (574, 35676), (738, 27748), (861, 23784), (984, 20811), (991, 20664), (1148, 17838), (1476, 13874), (1722, 11892), (1982, 10332), (2296, 8919), (2583, 7928), (2952, 6937), (2973, 6888), (3444, 5946), (3964, 5166)]