20973139

素因数分解:

${\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{359}}^1$

素因数の和:530

約数の個数: 16

約数和(自身を含む): 23639040

約数和(自身を除く): 2665901

約数列:

[1, 11, 47, 113, 359, 517, 1243, 3949, 5311, 16873, 40567, 58421, 185603, 446237, 1906649, 20973139]

約数ペア:

[(1, 20973139), (11, 1906649), (47, 446237), (113, 185603), (359, 58421), (517, 40567), (1243, 16873), (3949, 5311)]