20310561

素因数分解:

$3^3\times {\mathrm{353}}^1\times {\mathrm{2131}}^1$

素因数の和:2493

約数の個数: 16

約数和(自身を含む): 30189120

約数和(自身を除く): 9878559

約数列:

[1, 3, 9, 27, 353, 1059, 2131, 3177, 6393, 9531, 19179, 57537, 752243, 2256729, 6770187, 20310561]

約数ペア:

[(1, 20310561), (3, 6770187), (9, 2256729), (27, 752243), (353, 57537), (1059, 19179), (2131, 9531), (3177, 6393)]