16420963

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1109}}^1$

素因数の和:1206

約数の個数: 16

約数和(自身を含む): 19020960

約数和(自身を除く): 2599997

約数列:

[1, 13, 17, 67, 221, 871, 1109, 1139, 14417, 14807, 18853, 74303, 245089, 965939, 1263151, 16420963]

約数ペア:

[(1, 16420963), (13, 1263151), (17, 965939), (67, 245089), (221, 74303), (871, 18853), (1109, 14807), (1139, 14417)]