20705706

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2$

素因数の和:102

約数の個数: 120

約数和(自身を含む): 57673440

約数和(自身を除く): 36967734

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 27, 31, 38, 42, 54, 57, 62, 63, 81, 93, 114, 126, 133, 162, 171, 186, 189, 217, 266, 279, 342, 378, 399, 434, 513, 558, 567, 589, 651, 798, 837, 961, 1026, 1134, 1178, 1197, 1302, 1539, 1674, 1767, 1922, 1953, 2394, 2511, 2883, 3078, 3534, 3591, 3906, 4123, 5022, 5301, 5766, 5859, 6727, 7182, 8246, 8649, 10602, 10773, 11718, 12369, 13454, 15903, 17298, 17577, 18259, 20181, 21546, 24738, 25947, 31806, 35154, 36518, 37107, 40362, 47709, 51894, 54777, 60543, 74214, 77841, 95418, 109554, 111321, 121086, 127813, 155682, 164331, 181629, 222642, 255626, 328662, 333963, 363258, 383439, 492993, 544887, 667926, 766878, 985986, 1089774, 1150317, 1478979, 2300634, 2957958, 3450951, 6901902, 10352853, 20705706]

約数ペア:

[(1, 20705706), (2, 10352853), (3, 6901902), (6, 3450951), (7, 2957958), (9, 2300634), (14, 1478979), (18, 1150317), (19, 1089774), (21, 985986), (27, 766878), (31, 667926), (38, 544887), (42, 492993), (54, 383439), (57, 363258), (62, 333963), (63, 328662), (81, 255626), (93, 222642), (114, 181629), (126, 164331), (133, 155682), (162, 127813), (171, 121086), (186, 111321), (189, 109554), (217, 95418), (266, 77841), (279, 74214), (342, 60543), (378, 54777), (399, 51894), (434, 47709), (513, 40362), (558, 37107), (567, 36518), (589, 35154), (651, 31806), (798, 25947), (837, 24738), (961, 21546), (1026, 20181), (1134, 18259), (1178, 17577), (1197, 17298), (1302, 15903), (1539, 13454), (1674, 12369), (1767, 11718), (1922, 10773), (1953, 10602), (2394, 8649), (2511, 8246), (2883, 7182), (3078, 6727), (3534, 5859), (3591, 5766), (3906, 5301), (4123, 5022)]