20850765

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4649}}^1$

素因数の和:4693

約数の個数: 32

約数和(自身を含む): 37497600

約数和(自身を除く): 16646835

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 195, 299, 345, 897, 1495, 4485, 4649, 13947, 23245, 60437, 69735, 106927, 181311, 302185, 320781, 534635, 906555, 1390051, 1603905, 4170153, 6950255, 20850765]

約数ペア:

[(1, 20850765), (3, 6950255), (5, 4170153), (13, 1603905), (15, 1390051), (23, 906555), (39, 534635), (65, 320781), (69, 302185), (115, 181311), (195, 106927), (299, 69735), (345, 60437), (897, 23245), (1495, 13947), (4485, 4649)]