20880202

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{78497}}^1$

素因数の和:78525

約数の個数: 16

約数和(自身を含む): 37679040

約数和(自身を除く): 16798838

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 78497, 156994, 549479, 1098958, 1491443, 2982886, 10440101, 20880202]

約数ペア:

[(1, 20880202), (2, 10440101), (7, 2982886), (14, 1491443), (19, 1098958), (38, 549479), (133, 156994), (266, 78497)]