20364372

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:140

約数の個数: 144

約数和(自身を含む): 63353472

約数和(自身を除く): 42989100

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 41, 42, 54, 63, 73, 81, 82, 84, 108, 123, 126, 146, 162, 164, 189, 219, 243, 246, 252, 287, 292, 324, 369, 378, 438, 486, 492, 511, 567, 574, 657, 738, 756, 861, 876, 972, 1022, 1107, 1134, 1148, 1314, 1476, 1533, 1701, 1722, 1971, 2044, 2214, 2268, 2583, 2628, 2993, 3066, 3321, 3402, 3444, 3942, 4428, 4599, 5166, 5913, 5986, 6132, 6642, 6804, 7749, 7884, 8979, 9198, 9963, 10332, 11826, 11972, 13284, 13797, 15498, 17739, 17958, 18396, 19926, 20951, 23247, 23652, 26937, 27594, 30996, 35478, 35916, 39852, 41391, 41902, 46494, 53874, 55188, 62853, 69741, 70956, 80811, 82782, 83804, 92988, 107748, 124173, 125706, 139482, 161622, 165564, 188559, 242433, 248346, 251412, 278964, 323244, 377118, 484866, 496692, 565677, 727299, 754236, 969732, 1131354, 1454598, 1697031, 2262708, 2909196, 3394062, 5091093, 6788124, 10182186, 20364372]

約数ペア:

[(1, 20364372), (2, 10182186), (3, 6788124), (4, 5091093), (6, 3394062), (7, 2909196), (9, 2262708), (12, 1697031), (14, 1454598), (18, 1131354), (21, 969732), (27, 754236), (28, 727299), (36, 565677), (41, 496692), (42, 484866), (54, 377118), (63, 323244), (73, 278964), (81, 251412), (82, 248346), (84, 242433), (108, 188559), (123, 165564), (126, 161622), (146, 139482), (162, 125706), (164, 124173), (189, 107748), (219, 92988), (243, 83804), (246, 82782), (252, 80811), (287, 70956), (292, 69741), (324, 62853), (369, 55188), (378, 53874), (438, 46494), (486, 41902), (492, 41391), (511, 39852), (567, 35916), (574, 35478), (657, 30996), (738, 27594), (756, 26937), (861, 23652), (876, 23247), (972, 20951), (1022, 19926), (1107, 18396), (1134, 17958), (1148, 17739), (1314, 15498), (1476, 13797), (1533, 13284), (1701, 11972), (1722, 11826), (1971, 10332), (2044, 9963), (2214, 9198), (2268, 8979), (2583, 7884), (2628, 7749), (2993, 6804), (3066, 6642), (3321, 6132), (3402, 5986), (3444, 5913), (3942, 5166), (4428, 4599)]