20574777

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{1249}}^1$

素因数の和:1305

約数の個数: 24

約数和(自身を含む): 30700000

約数和(自身を除く): 10125223

約数列:

[1, 3, 17, 19, 51, 57, 289, 323, 867, 969, 1249, 3747, 5491, 16473, 21233, 23731, 63699, 71193, 360961, 403427, 1082883, 1210281, 6858259, 20574777]

約数ペア:

[(1, 20574777), (3, 6858259), (17, 1210281), (19, 1082883), (51, 403427), (57, 360961), (289, 71193), (323, 63699), (867, 23731), (969, 21233), (1249, 16473), (3747, 5491)]