20991744

素因数分解:

$2^8\times 3^3\times {\mathrm{3037}}^1$

素因数の和:3062

約数の個数: 72

約数和(自身を含む): 62096720

約数和(自身を除く): 41104976

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 108, 128, 144, 192, 216, 256, 288, 384, 432, 576, 768, 864, 1152, 1728, 2304, 3037, 3456, 6074, 6912, 9111, 12148, 18222, 24296, 27333, 36444, 48592, 54666, 72888, 81999, 97184, 109332, 145776, 163998, 194368, 218664, 291552, 327996, 388736, 437328, 583104, 655992, 777472, 874656, 1166208, 1311984, 1749312, 2332416, 2623968, 3498624, 5247936, 6997248, 10495872, 20991744]

約数ペア:

[(1, 20991744), (2, 10495872), (3, 6997248), (4, 5247936), (6, 3498624), (8, 2623968), (9, 2332416), (12, 1749312), (16, 1311984), (18, 1166208), (24, 874656), (27, 777472), (32, 655992), (36, 583104), (48, 437328), (54, 388736), (64, 327996), (72, 291552), (96, 218664), (108, 194368), (128, 163998), (144, 145776), (192, 109332), (216, 97184), (256, 81999), (288, 72888), (384, 54666), (432, 48592), (576, 36444), (768, 27333), (864, 24296), (1152, 18222), (1728, 12148), (2304, 9111), (3037, 6912), (3456, 6074)]