20337408

素因数分解:

$2^8\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1$

素因数の和:139

約数の個数: 216

約数和(自身を含む): 72913568

約数和(自身を除く): 52576160

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 32, 36, 39, 42, 48, 52, 56, 63, 64, 72, 78, 84, 91, 96, 97, 104, 112, 117, 126, 128, 144, 156, 168, 182, 192, 194, 208, 224, 234, 252, 256, 273, 288, 291, 312, 336, 364, 384, 388, 416, 448, 468, 504, 546, 576, 582, 624, 672, 679, 728, 768, 776, 819, 832, 873, 896, 936, 1008, 1092, 1152, 1164, 1248, 1261, 1344, 1358, 1456, 1552, 1638, 1664, 1746, 1792, 1872, 2016, 2037, 2184, 2304, 2328, 2496, 2522, 2688, 2716, 2912, 3104, 3276, 3328, 3492, 3744, 3783, 4032, 4074, 4368, 4656, 4992, 5044, 5376, 5432, 5824, 6111, 6208, 6552, 6984, 7488, 7566, 8064, 8148, 8736, 8827, 9312, 9984, 10088, 10864, 11349, 11648, 12222, 12416, 13104, 13968, 14976, 15132, 16128, 16296, 17472, 17654, 18624, 20176, 21728, 22698, 23296, 24444, 24832, 26208, 26481, 27936, 29952, 30264, 32592, 34944, 35308, 37248, 40352, 43456, 45396, 48888, 52416, 52962, 55872, 60528, 65184, 69888, 70616, 74496, 79443, 80704, 86912, 90792, 97776, 104832, 105924, 111744, 121056, 130368, 141232, 158886, 161408, 173824, 181584, 195552, 209664, 211848, 223488, 242112, 260736, 282464, 317772, 322816, 363168, 391104, 423696, 484224, 521472, 564928, 635544, 726336, 782208, 847392, 968448, 1129856, 1271088, 1452672, 1564416, 1694784, 2259712, 2542176, 2905344, 3389568, 5084352, 6779136, 10168704, 20337408]

約数ペア:

[(1, 20337408), (2, 10168704), (3, 6779136), (4, 5084352), (6, 3389568), (7, 2905344), (8, 2542176), (9, 2259712), (12, 1694784), (13, 1564416), (14, 1452672), (16, 1271088), (18, 1129856), (21, 968448), (24, 847392), (26, 782208), (28, 726336), (32, 635544), (36, 564928), (39, 521472), (42, 484224), (48, 423696), (52, 391104), (56, 363168), (63, 322816), (64, 317772), (72, 282464), (78, 260736), (84, 242112), (91, 223488), (96, 211848), (97, 209664), (104, 195552), (112, 181584), (117, 173824), (126, 161408), (128, 158886), (144, 141232), (156, 130368), (168, 121056), (182, 111744), (192, 105924), (194, 104832), (208, 97776), (224, 90792), (234, 86912), (252, 80704), (256, 79443), (273, 74496), (288, 70616), (291, 69888), (312, 65184), (336, 60528), (364, 55872), (384, 52962), (388, 52416), (416, 48888), (448, 45396), (468, 43456), (504, 40352), (546, 37248), (576, 35308), (582, 34944), (624, 32592), (672, 30264), (679, 29952), (728, 27936), (768, 26481), (776, 26208), (819, 24832), (832, 24444), (873, 23296), (896, 22698), (936, 21728), (1008, 20176), (1092, 18624), (1152, 17654), (1164, 17472), (1248, 16296), (1261, 16128), (1344, 15132), (1358, 14976), (1456, 13968), (1552, 13104), (1638, 12416), (1664, 12222), (1746, 11648), (1792, 11349), (1872, 10864), (2016, 10088), (2037, 9984), (2184, 9312), (2304, 8827), (2328, 8736), (2496, 8148), (2522, 8064), (2688, 7566), (2716, 7488), (2912, 6984), (3104, 6552), (3276, 6208), (3328, 6111), (3492, 5824), (3744, 5432), (3783, 5376), (4032, 5044), (4074, 4992), (4368, 4656)]