20136681

素因数分解:

$3^5\times {\mathrm{173}}^1\times {\mathrm{479}}^1$

素因数の和:667

約数の個数: 24

約数和(自身を含む): 30401280

約数和(自身を除く): 10264599

約数列:

[1, 3, 9, 27, 81, 173, 243, 479, 519, 1437, 1557, 4311, 4671, 12933, 14013, 38799, 42039, 82867, 116397, 248601, 745803, 2237409, 6712227, 20136681]

約数ペア:

[(1, 20136681), (3, 6712227), (9, 2237409), (27, 745803), (81, 248601), (173, 116397), (243, 82867), (479, 42039), (519, 38799), (1437, 14013), (1557, 12933), (4311, 4671)]