20423808

素因数分解:

$2^7\times 3^2\times {\mathrm{17729}}^1$

素因数の和:17749

約数の個数: 48

約数和(自身を含む): 58774950

約数和(自身を除く): 38351142

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 288, 384, 576, 1152, 17729, 35458, 53187, 70916, 106374, 141832, 159561, 212748, 283664, 319122, 425496, 567328, 638244, 850992, 1134656, 1276488, 1701984, 2269312, 2552976, 3403968, 5105952, 6807936, 10211904, 20423808]

約数ペア:

[(1, 20423808), (2, 10211904), (3, 6807936), (4, 5105952), (6, 3403968), (8, 2552976), (9, 2269312), (12, 1701984), (16, 1276488), (18, 1134656), (24, 850992), (32, 638244), (36, 567328), (48, 425496), (64, 319122), (72, 283664), (96, 212748), (128, 159561), (144, 141832), (192, 106374), (288, 70916), (384, 53187), (576, 35458), (1152, 17729)]