20397780477

素因数分解:

$3^3\times {\mathrm{8951}}^1\times {\mathrm{84401}}^1$

素因数の和:93361

約数の個数: 16

約数和(自身を含む): 30222668160

約数和(自身を除く): 9824887683

約数列:

[1, 3, 9, 27, 8951, 26853, 80559, 84401, 241677, 253203, 759609, 2278827, 755473351, 2266420053, 6799260159, 20397780477]

約数ペア:

[(1, 20397780477), (3, 6799260159), (9, 2266420053), (27, 755473351), (8951, 2278827), (26853, 759609), (80559, 253203), (84401, 241677)]