20201379

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{4673}}^1$

素因数の和:4818

約数の個数: 16

約数和(自身を含む): 29614464

約数和(自身を除く): 9413085

約数列:

[1, 3, 11, 33, 131, 393, 1441, 4323, 4673, 14019, 51403, 154209, 612163, 1836489, 6733793, 20201379]

約数ペア:

[(1, 20201379), (3, 6733793), (11, 1836489), (33, 612163), (131, 154209), (393, 51403), (1441, 14019), (4323, 4673)]