20388816

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{179}}^1$

素因数の和:313

約数の個数: 120

約数和(自身を含む): 66156480

約数和(自身を除く): 45767664

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 113, 126, 144, 168, 179, 226, 252, 336, 339, 358, 452, 504, 537, 678, 716, 791, 904, 1008, 1017, 1074, 1253, 1356, 1432, 1582, 1611, 1808, 2034, 2148, 2373, 2506, 2712, 2864, 3164, 3222, 3759, 4068, 4296, 4746, 5012, 5424, 6328, 6444, 7119, 7518, 8136, 8592, 9492, 10024, 11277, 12656, 12888, 14238, 15036, 16272, 18984, 20048, 20227, 22554, 25776, 28476, 30072, 37968, 40454, 45108, 56952, 60144, 60681, 80908, 90216, 113904, 121362, 141589, 161816, 180432, 182043, 242724, 283178, 323632, 364086, 424767, 485448, 566356, 728172, 849534, 970896, 1132712, 1274301, 1456344, 1699068, 2265424, 2548602, 2912688, 3398136, 5097204, 6796272, 10194408, 20388816]

約数ペア:

[(1, 20388816), (2, 10194408), (3, 6796272), (4, 5097204), (6, 3398136), (7, 2912688), (8, 2548602), (9, 2265424), (12, 1699068), (14, 1456344), (16, 1274301), (18, 1132712), (21, 970896), (24, 849534), (28, 728172), (36, 566356), (42, 485448), (48, 424767), (56, 364086), (63, 323632), (72, 283178), (84, 242724), (112, 182043), (113, 180432), (126, 161816), (144, 141589), (168, 121362), (179, 113904), (226, 90216), (252, 80908), (336, 60681), (339, 60144), (358, 56952), (452, 45108), (504, 40454), (537, 37968), (678, 30072), (716, 28476), (791, 25776), (904, 22554), (1008, 20227), (1017, 20048), (1074, 18984), (1253, 16272), (1356, 15036), (1432, 14238), (1582, 12888), (1611, 12656), (1808, 11277), (2034, 10024), (2148, 9492), (2373, 8592), (2506, 8136), (2712, 7518), (2864, 7119), (3164, 6444), (3222, 6328), (3759, 5424), (4068, 5012), (4296, 4746)]