20415744

素因数分解:

$2^8\times 3^2\times {\mathrm{8861}}^1$

素因数の和:8883

約数の個数: 54

約数和(自身を含む): 58870266

約数和(自身を除く): 38454522

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 256, 288, 384, 576, 768, 1152, 2304, 8861, 17722, 26583, 35444, 53166, 70888, 79749, 106332, 141776, 159498, 212664, 283552, 318996, 425328, 567104, 637992, 850656, 1134208, 1275984, 1701312, 2268416, 2551968, 3402624, 5103936, 6805248, 10207872, 20415744]

約数ペア:

[(1, 20415744), (2, 10207872), (3, 6805248), (4, 5103936), (6, 3402624), (8, 2551968), (9, 2268416), (12, 1701312), (16, 1275984), (18, 1134208), (24, 850656), (32, 637992), (36, 567104), (48, 425328), (64, 318996), (72, 283552), (96, 212664), (128, 159498), (144, 141776), (192, 106332), (256, 79749), (288, 70888), (384, 53166), (576, 35444), (768, 26583), (1152, 17722), (2304, 8861)]