20184490270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{571}}^1\times {\mathrm{504991}}^1$

素因数の和:505576

約数の個数: 32

約数和(自身を含む): 41595181056

約数和(自身を除く): 21410690786

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 571, 1142, 2855, 3997, 5710, 7994, 19985, 39970, 504991, 1009982, 2524955, 3534937, 5049910, 7069874, 17674685, 35349370, 288349861, 576699722, 1441749305, 2018449027, 2883498610, 4036898054, 10092245135, 20184490270]

約数ペア:

[(1, 20184490270), (2, 10092245135), (5, 4036898054), (7, 2883498610), (10, 2018449027), (14, 1441749305), (35, 576699722), (70, 288349861), (571, 35349370), (1142, 17674685), (2855, 7069874), (3997, 5049910), (5710, 3534937), (7994, 2524955), (19985, 1009982), (39970, 504991)]