20525472

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:88

約数の個数: 216

約数和(自身を含む): 69713280

約数和(自身を除く): 49187808

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 19, 22, 24, 31, 32, 33, 36, 38, 44, 48, 57, 62, 66, 72, 76, 88, 93, 96, 99, 114, 121, 124, 132, 144, 152, 171, 176, 186, 198, 209, 228, 242, 248, 264, 279, 288, 304, 341, 342, 352, 363, 372, 396, 418, 456, 484, 496, 528, 558, 589, 608, 627, 682, 684, 726, 744, 792, 836, 912, 968, 992, 1023, 1056, 1089, 1116, 1178, 1254, 1364, 1368, 1452, 1488, 1584, 1672, 1767, 1824, 1881, 1936, 2046, 2178, 2232, 2299, 2356, 2508, 2728, 2736, 2904, 2976, 3069, 3168, 3344, 3534, 3751, 3762, 3872, 4092, 4356, 4464, 4598, 4712, 5016, 5301, 5456, 5472, 5808, 6138, 6479, 6688, 6897, 7068, 7502, 7524, 8184, 8712, 8928, 9196, 9424, 10032, 10602, 10912, 11253, 11616, 12276, 12958, 13794, 14136, 15004, 15048, 16368, 17424, 18392, 18848, 19437, 20064, 20691, 21204, 22506, 24552, 25916, 27588, 28272, 30008, 30096, 32736, 33759, 34848, 36784, 38874, 41382, 42408, 45012, 49104, 51832, 55176, 56544, 58311, 60016, 60192, 67518, 71269, 73568, 77748, 82764, 84816, 90024, 98208, 103664, 110352, 116622, 120032, 135036, 142538, 155496, 165528, 169632, 180048, 207328, 213807, 220704, 233244, 270072, 285076, 310992, 331056, 360096, 427614, 466488, 540144, 570152, 621984, 641421, 662112, 855228, 932976, 1080288, 1140304, 1282842, 1710456, 1865952, 2280608, 2565684, 3420912, 5131368, 6841824, 10262736, 20525472]

約数ペア:

[(1, 20525472), (2, 10262736), (3, 6841824), (4, 5131368), (6, 3420912), (8, 2565684), (9, 2280608), (11, 1865952), (12, 1710456), (16, 1282842), (18, 1140304), (19, 1080288), (22, 932976), (24, 855228), (31, 662112), (32, 641421), (33, 621984), (36, 570152), (38, 540144), (44, 466488), (48, 427614), (57, 360096), (62, 331056), (66, 310992), (72, 285076), (76, 270072), (88, 233244), (93, 220704), (96, 213807), (99, 207328), (114, 180048), (121, 169632), (124, 165528), (132, 155496), (144, 142538), (152, 135036), (171, 120032), (176, 116622), (186, 110352), (198, 103664), (209, 98208), (228, 90024), (242, 84816), (248, 82764), (264, 77748), (279, 73568), (288, 71269), (304, 67518), (341, 60192), (342, 60016), (352, 58311), (363, 56544), (372, 55176), (396, 51832), (418, 49104), (456, 45012), (484, 42408), (496, 41382), (528, 38874), (558, 36784), (589, 34848), (608, 33759), (627, 32736), (682, 30096), (684, 30008), (726, 28272), (744, 27588), (792, 25916), (836, 24552), (912, 22506), (968, 21204), (992, 20691), (1023, 20064), (1056, 19437), (1089, 18848), (1116, 18392), (1178, 17424), (1254, 16368), (1364, 15048), (1368, 15004), (1452, 14136), (1488, 13794), (1584, 12958), (1672, 12276), (1767, 11616), (1824, 11253), (1881, 10912), (1936, 10602), (2046, 10032), (2178, 9424), (2232, 9196), (2299, 8928), (2356, 8712), (2508, 8184), (2728, 7524), (2736, 7502), (2904, 7068), (2976, 6897), (3069, 6688), (3168, 6479), (3344, 6138), (3534, 5808), (3751, 5472), (3762, 5456), (3872, 5301), (4092, 5016), (4356, 4712), (4464, 4598)]