20867952

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{359}}^1$

素因数の和:550

約数の個数: 80

約数和(自身を含む): 62138880

約数和(自身を除く): 41270928

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 173, 336, 346, 359, 519, 692, 718, 1038, 1077, 1211, 1384, 1436, 2076, 2154, 2422, 2513, 2768, 2872, 3633, 4152, 4308, 4844, 5026, 5744, 7266, 7539, 8304, 8616, 9688, 10052, 14532, 15078, 17232, 19376, 20104, 29064, 30156, 40208, 58128, 60312, 62107, 120624, 124214, 186321, 248428, 372642, 434749, 496856, 745284, 869498, 993712, 1304247, 1490568, 1738996, 2608494, 2981136, 3477992, 5216988, 6955984, 10433976, 20867952]

約数ペア:

[(1, 20867952), (2, 10433976), (3, 6955984), (4, 5216988), (6, 3477992), (7, 2981136), (8, 2608494), (12, 1738996), (14, 1490568), (16, 1304247), (21, 993712), (24, 869498), (28, 745284), (42, 496856), (48, 434749), (56, 372642), (84, 248428), (112, 186321), (168, 124214), (173, 120624), (336, 62107), (346, 60312), (359, 58128), (519, 40208), (692, 30156), (718, 29064), (1038, 20104), (1077, 19376), (1211, 17232), (1384, 15078), (1436, 14532), (2076, 10052), (2154, 9688), (2422, 8616), (2513, 8304), (2768, 7539), (2872, 7266), (3633, 5744), (4152, 5026), (4308, 4844)]