20347558

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3571}}^1$

素因数の和:3628

約数の個数: 32

約数和(自身を含む): 39091968

約数和(自身を除く): 18744410

約数列:

[1, 2, 7, 11, 14, 22, 37, 74, 77, 154, 259, 407, 518, 814, 2849, 3571, 5698, 7142, 24997, 39281, 49994, 78562, 132127, 264254, 274967, 549934, 924889, 1453397, 1849778, 2906794, 10173779, 20347558]

約数ペア:

[(1, 20347558), (2, 10173779), (7, 2906794), (11, 1849778), (14, 1453397), (22, 924889), (37, 549934), (74, 274967), (77, 264254), (154, 132127), (259, 78562), (407, 49994), (518, 39281), (814, 24997), (2849, 7142), (3571, 5698)]