20299615

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{313}}^1$

素因数の和:451

約数の個数: 32

約数和(自身を含む): 29842560

約数和(自身を除く): 9542945

約数列:

[1, 5, 7, 17, 35, 85, 109, 119, 313, 545, 595, 763, 1565, 1853, 2191, 3815, 5321, 9265, 10955, 12971, 26605, 34117, 37247, 64855, 170585, 186235, 238819, 579989, 1194095, 2899945, 4059923, 20299615]

約数ペア:

[(1, 20299615), (5, 4059923), (7, 2899945), (17, 1194095), (35, 579989), (85, 238819), (109, 186235), (119, 170585), (313, 64855), (545, 37247), (595, 34117), (763, 26605), (1565, 12971), (1853, 10955), (2191, 9265), (3815, 5321)]