20984511

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{479}}^1\times {\mathrm{859}}^1$

素因数の和:1358

約数の個数: 16

約数和(自身を含む): 29721600

約数和(自身を除く): 8737089

約数列:

[1, 3, 17, 51, 479, 859, 1437, 2577, 8143, 14603, 24429, 43809, 411461, 1234383, 6994837, 20984511]

約数ペア:

[(1, 20984511), (3, 6994837), (17, 1234383), (51, 411461), (479, 43809), (859, 24429), (1437, 14603), (2577, 8143)]