20397246

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{643}}^1$

素因数の和:976

約数の個数: 32

約数和(自身を含む): 43400448

約数和(自身を除く): 23003202

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 311, 622, 643, 933, 1286, 1866, 1929, 3858, 5287, 10574, 10931, 15861, 21862, 31722, 32793, 65586, 199973, 399946, 599919, 1199838, 3399541, 6799082, 10198623, 20397246]

約数ペア:

[(1, 20397246), (2, 10198623), (3, 6799082), (6, 3399541), (17, 1199838), (34, 599919), (51, 399946), (102, 199973), (311, 65586), (622, 32793), (643, 31722), (933, 21862), (1286, 15861), (1866, 10931), (1929, 10574), (3858, 5287)]