20928051

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{6983}}^1$

素因数の和:7032

約数の個数: 20

約数和(自身を含む): 32112432

約数和(自身を除く): 11184381

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 6983, 20949, 62847, 188541, 258371, 565623, 775113, 2325339, 6976017, 20928051]

約数ペア:

[(1, 20928051), (3, 6976017), (9, 2325339), (27, 775113), (37, 565623), (81, 258371), (111, 188541), (333, 62847), (999, 20949), (2997, 6983)]