20349441

素因数分解:

$3^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1607}}^1$

素因数の和:1690

約数の個数: 32

約数和(自身を含む): 34990080

約数和(自身を除く): 14640639

約数列:

[1, 3, 7, 9, 21, 27, 63, 67, 189, 201, 469, 603, 1407, 1607, 1809, 4221, 4821, 11249, 12663, 14463, 33747, 43389, 101241, 107669, 303723, 323007, 753683, 969021, 2261049, 2907063, 6783147, 20349441]

約数ペア:

[(1, 20349441), (3, 6783147), (7, 2907063), (9, 2261049), (21, 969021), (27, 753683), (63, 323007), (67, 303723), (189, 107669), (201, 101241), (469, 43389), (603, 33747), (1407, 14463), (1607, 12663), (1809, 11249), (4221, 4821)]