20446208

素因数分解:

$2^{10}\times {\mathrm{41}}^1\times {\mathrm{487}}^1$

素因数の和:548

約数の個数: 44

約数和(自身を含む): 41955312

約数和(自身を除く): 21509104

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 128, 164, 256, 328, 487, 512, 656, 974, 1024, 1312, 1948, 2624, 3896, 5248, 7792, 10496, 15584, 19967, 20992, 31168, 39934, 41984, 62336, 79868, 124672, 159736, 249344, 319472, 498688, 638944, 1277888, 2555776, 5111552, 10223104, 20446208]

約数ペア:

[(1, 20446208), (2, 10223104), (4, 5111552), (8, 2555776), (16, 1277888), (32, 638944), (41, 498688), (64, 319472), (82, 249344), (128, 159736), (164, 124672), (256, 79868), (328, 62336), (487, 41984), (512, 39934), (656, 31168), (974, 20992), (1024, 19967), (1312, 15584), (1948, 10496), (2624, 7792), (3896, 5248)]