20219904124

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{9892321}}^1$

素因数の和:9892405

約数の個数: 24

約数和(自身を含む): 40993782368

約数和(自身を除く): 20773878244

約数列:

[1, 2, 4, 7, 14, 28, 73, 146, 292, 511, 1022, 2044, 9892321, 19784642, 39569284, 69246247, 138492494, 276984988, 722139433, 1444278866, 2888557732, 5054976031, 10109952062, 20219904124]

約数ペア:

[(1, 20219904124), (2, 10109952062), (4, 5054976031), (7, 2888557732), (14, 1444278866), (28, 722139433), (73, 276984988), (146, 138492494), (292, 69246247), (511, 39569284), (1022, 19784642), (2044, 9892321)]