20746935

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4657}}^1$

素因数の和:4685

約数の個数: 40

約数和(自身を含む): 40580496

約数和(自身を除く): 19833561

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 135, 165, 297, 405, 495, 891, 1485, 4455, 4657, 13971, 23285, 41913, 51227, 69855, 125739, 153681, 209565, 256135, 377217, 461043, 628695, 768405, 1383129, 1886085, 2305215, 4149387, 6915645, 20746935]

約数ペア:

[(1, 20746935), (3, 6915645), (5, 4149387), (9, 2305215), (11, 1886085), (15, 1383129), (27, 768405), (33, 628695), (45, 461043), (55, 377217), (81, 256135), (99, 209565), (135, 153681), (165, 125739), (297, 69855), (405, 51227), (495, 41913), (891, 23285), (1485, 13971), (4455, 4657)]