20176371

素因数分解:

$3^4\times {\mathrm{223}}^1\times {\mathrm{1117}}^1$

素因数の和:1352

約数の個数: 20

約数和(自身を含む): 30302272

約数和(自身を除く): 10125901

約数列:

[1, 3, 9, 27, 81, 223, 669, 1117, 2007, 3351, 6021, 10053, 18063, 30159, 90477, 249091, 747273, 2241819, 6725457, 20176371]

約数ペア:

[(1, 20176371), (3, 6725457), (9, 2241819), (27, 747273), (81, 249091), (223, 90477), (669, 30159), (1117, 18063), (2007, 10053), (3351, 6021)]