20879536

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{2647}}^1$

素因数の和:2701

約数の個数: 40

約数和(自身を含む): 44327520

約数和(自身を除く): 23447984

約数列:

[1, 2, 4, 8, 16, 17, 29, 34, 58, 68, 116, 136, 232, 272, 464, 493, 986, 1972, 2647, 3944, 5294, 7888, 10588, 21176, 42352, 44999, 76763, 89998, 153526, 179996, 307052, 359992, 614104, 719984, 1228208, 1304971, 2609942, 5219884, 10439768, 20879536]

約数ペア:

[(1, 20879536), (2, 10439768), (4, 5219884), (8, 2609942), (16, 1304971), (17, 1228208), (29, 719984), (34, 614104), (58, 359992), (68, 307052), (116, 179996), (136, 153526), (232, 89998), (272, 76763), (464, 44999), (493, 42352), (986, 21176), (1972, 10588), (2647, 7888), (3944, 5294)]