20319097

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{331}}^1$

素因数の和:528

約数の個数: 16

約数和(自身を含む): 22660992

約数和(自身を除く): 2341895

約数列:

[1, 17, 23, 157, 331, 391, 2669, 3611, 5627, 7613, 51967, 61387, 129421, 883439, 1195241, 20319097]

約数ペア:

[(1, 20319097), (17, 1195241), (23, 883439), (157, 129421), (331, 61387), (391, 51967), (2669, 7613), (3611, 5627)]