20589712

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{8999}}^1$

素因数の和:9031

約数の個数: 40

約数和(自身を含む): 46872000

約数和(自身を除く): 26282288

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 572, 1144, 2288, 8999, 17998, 35996, 71992, 98989, 116987, 143984, 197978, 233974, 395956, 467948, 791912, 935896, 1286857, 1583824, 1871792, 2573714, 5147428, 10294856, 20589712]

約数ペア:

[(1, 20589712), (2, 10294856), (4, 5147428), (8, 2573714), (11, 1871792), (13, 1583824), (16, 1286857), (22, 935896), (26, 791912), (44, 467948), (52, 395956), (88, 233974), (104, 197978), (143, 143984), (176, 116987), (208, 98989), (286, 71992), (572, 35996), (1144, 17998), (2288, 8999)]