20935881

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{25013}}^1$

素因数の和:25053

約数の個数: 16

約数和(自身を含む): 32017920

約数和(自身を除く): 11082039

約数列:

[1, 3, 9, 27, 31, 93, 279, 837, 25013, 75039, 225117, 675351, 775403, 2326209, 6978627, 20935881]

約数ペア:

[(1, 20935881), (3, 6978627), (9, 2326209), (27, 775403), (31, 675351), (93, 225117), (279, 75039), (837, 25013)]