20831706

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{165331}}^1$

素因数の和:165346

約数の個数: 24

約数和(自身を含む): 51583584

約数和(自身を除く): 30751878

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 165331, 330662, 495993, 991986, 1157317, 1487979, 2314634, 2975958, 3471951, 6943902, 10415853, 20831706]

約数ペア:

[(1, 20831706), (2, 10415853), (3, 6943902), (6, 3471951), (7, 2975958), (9, 2314634), (14, 1487979), (18, 1157317), (21, 991986), (42, 495993), (63, 330662), (126, 165331)]