20949189

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{1667}}^1$

素因数の和:1800

約数の個数: 16

約数和(自身を含む): 28823040

約数和(自身を除く): 7873851

約数列:

[1, 3, 59, 71, 177, 213, 1667, 4189, 5001, 12567, 98353, 118357, 295059, 355071, 6983063, 20949189]

約数ペア:

[(1, 20949189), (3, 6983063), (59, 355071), (71, 295059), (177, 118357), (213, 98353), (1667, 12567), (4189, 5001)]