20178391059

素因数分解:

$3^4\times {\mathrm{139}}^1\times {\mathrm{1792201}}^1$

素因数の和:1792352

約数の個数: 20

約数和(自身を含む): 30359901880

約数和(自身を除く): 10181510821

約数列:

[1, 3, 9, 27, 81, 139, 417, 1251, 3753, 11259, 1792201, 5376603, 16129809, 48389427, 145168281, 249115939, 747347817, 2242043451, 6726130353, 20178391059]

約数ペア:

[(1, 20178391059), (3, 6726130353), (9, 2242043451), (27, 747347817), (81, 249115939), (139, 145168281), (417, 48389427), (1251, 16129809), (3753, 5376603), (11259, 1792201)]