20972952

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1$

素因数の和:143

約数の個数: 256

約数和(自身を含む): 79027200

約数和(自身を除く): 58054248

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 13, 14, 18, 21, 22, 24, 26, 27, 28, 33, 36, 39, 42, 44, 52, 54, 56, 63, 66, 72, 77, 78, 84, 88, 91, 97, 99, 104, 108, 117, 126, 132, 143, 154, 156, 168, 182, 189, 194, 198, 216, 231, 234, 252, 264, 273, 286, 291, 297, 308, 312, 351, 364, 378, 388, 396, 429, 462, 468, 504, 546, 572, 582, 594, 616, 679, 693, 702, 728, 756, 776, 792, 819, 858, 873, 924, 936, 1001, 1067, 1092, 1144, 1164, 1188, 1261, 1287, 1358, 1386, 1404, 1512, 1638, 1716, 1746, 1848, 2002, 2037, 2079, 2134, 2184, 2328, 2376, 2457, 2522, 2574, 2619, 2716, 2772, 2808, 3003, 3201, 3276, 3432, 3492, 3783, 3861, 4004, 4074, 4158, 4268, 4914, 5044, 5148, 5238, 5432, 5544, 6006, 6111, 6402, 6552, 6984, 7469, 7566, 7722, 8008, 8148, 8316, 8536, 8827, 9009, 9603, 9828, 10088, 10296, 10476, 11349, 12012, 12222, 12804, 13871, 14938, 15132, 15444, 16296, 16632, 17654, 18018, 18333, 19206, 19656, 20952, 22407, 22698, 24024, 24444, 25608, 26481, 27027, 27742, 28809, 29876, 30264, 30888, 34047, 35308, 36036, 36666, 38412, 41613, 44814, 45396, 48888, 52962, 54054, 55484, 57618, 59752, 67221, 68094, 70616, 72072, 73332, 76824, 79443, 83226, 89628, 90792, 97097, 105924, 108108, 110968, 115236, 124839, 134442, 136188, 146664, 158886, 166452, 179256, 194194, 201663, 211848, 216216, 230472, 238329, 249678, 268884, 272376, 291291, 317772, 332904, 374517, 388388, 403326, 476658, 499356, 537768, 582582, 635544, 749034, 776776, 806652, 873873, 953316, 998712, 1165164, 1498068, 1613304, 1747746, 1906632, 2330328, 2621619, 2996136, 3495492, 5243238, 6990984, 10486476, 20972952]

約数ペア:

[(1, 20972952), (2, 10486476), (3, 6990984), (4, 5243238), (6, 3495492), (7, 2996136), (8, 2621619), (9, 2330328), (11, 1906632), (12, 1747746), (13, 1613304), (14, 1498068), (18, 1165164), (21, 998712), (22, 953316), (24, 873873), (26, 806652), (27, 776776), (28, 749034), (33, 635544), (36, 582582), (39, 537768), (42, 499356), (44, 476658), (52, 403326), (54, 388388), (56, 374517), (63, 332904), (66, 317772), (72, 291291), (77, 272376), (78, 268884), (84, 249678), (88, 238329), (91, 230472), (97, 216216), (99, 211848), (104, 201663), (108, 194194), (117, 179256), (126, 166452), (132, 158886), (143, 146664), (154, 136188), (156, 134442), (168, 124839), (182, 115236), (189, 110968), (194, 108108), (198, 105924), (216, 97097), (231, 90792), (234, 89628), (252, 83226), (264, 79443), (273, 76824), (286, 73332), (291, 72072), (297, 70616), (308, 68094), (312, 67221), (351, 59752), (364, 57618), (378, 55484), (388, 54054), (396, 52962), (429, 48888), (462, 45396), (468, 44814), (504, 41613), (546, 38412), (572, 36666), (582, 36036), (594, 35308), (616, 34047), (679, 30888), (693, 30264), (702, 29876), (728, 28809), (756, 27742), (776, 27027), (792, 26481), (819, 25608), (858, 24444), (873, 24024), (924, 22698), (936, 22407), (1001, 20952), (1067, 19656), (1092, 19206), (1144, 18333), (1164, 18018), (1188, 17654), (1261, 16632), (1287, 16296), (1358, 15444), (1386, 15132), (1404, 14938), (1512, 13871), (1638, 12804), (1716, 12222), (1746, 12012), (1848, 11349), (2002, 10476), (2037, 10296), (2079, 10088), (2134, 9828), (2184, 9603), (2328, 9009), (2376, 8827), (2457, 8536), (2522, 8316), (2574, 8148), (2619, 8008), (2716, 7722), (2772, 7566), (2808, 7469), (3003, 6984), (3201, 6552), (3276, 6402), (3432, 6111), (3492, 6006), (3783, 5544), (3861, 5432), (4004, 5238), (4074, 5148), (4158, 5044), (4268, 4914)]