20177556

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{240209}}^1$

素因数の和:240223

約数の個数: 24

約数和(自身を含む): 53807040

約数和(自身を除く): 33629484

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 240209, 480418, 720627, 960836, 1441254, 1681463, 2882508, 3362926, 5044389, 6725852, 10088778, 20177556]

約数ペア:

[(1, 20177556), (2, 10088778), (3, 6725852), (4, 5044389), (6, 3362926), (7, 2882508), (12, 1681463), (14, 1441254), (21, 960836), (28, 720627), (42, 480418), (84, 240209)]