20430802

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{19991}}^1$

素因数の和:20073

約数の個数: 16

約数和(自身を含む): 35505792

約数和(自身を除く): 15074990

約数列:

[1, 2, 7, 14, 73, 146, 511, 1022, 19991, 39982, 139937, 279874, 1459343, 2918686, 10215401, 20430802]

約数ペア:

[(1, 20430802), (2, 10215401), (7, 2918686), (14, 1459343), (73, 279874), (146, 139937), (511, 39982), (1022, 19991)]