20430319

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{647}}^1$

素因数の和:1014

約数の個数: 16

約数和(自身を含む): 25256448

約数和(自身を除く): 4826129

約数列:

[1, 7, 13, 91, 347, 647, 2429, 4511, 4529, 8411, 31577, 58877, 224509, 1571563, 2918617, 20430319]

約数ペア:

[(1, 20430319), (7, 2918617), (13, 1571563), (91, 224509), (347, 58877), (647, 31577), (2429, 8411), (4511, 4529)]