20197331410

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{5036741}}^1$

素因数の和:5037149

約数の個数: 16

約数和(自身を含む): 36445865112

約数和(自身を除く): 16248533702

約数列:

[1, 2, 5, 10, 401, 802, 2005, 4010, 5036741, 10073482, 25183705, 50367410, 2019733141, 4039466282, 10098665705, 20197331410]

約数ペア:

[(1, 20197331410), (2, 10098665705), (5, 4039466282), (10, 2019733141), (401, 50367410), (802, 25183705), (2005, 10073482), (4010, 5036741)]