20179919823

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{22347641}}^1$

素因数の和:22347694

約数の個数: 16

約数和(自身を含む): 31465479936

約数和(自身を除く): 11285560113

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 22347641, 67042923, 156433487, 469300461, 960948563, 2882845689, 6726639941, 20179919823]

約数ペア:

[(1, 20179919823), (3, 6726639941), (7, 2882845689), (21, 960948563), (43, 469300461), (129, 156433487), (301, 67042923), (903, 22347641)]