16812420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{280207}}^1$

素因数の和:280219

約数の個数: 24

約数和(自身を含む): 47074944

約数和(自身を除く): 30262524

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 280207, 560414, 840621, 1120828, 1401035, 1681242, 2802070, 3362484, 4203105, 5604140, 8406210, 16812420]

約数ペア:

[(1, 16812420), (2, 8406210), (3, 5604140), (4, 4203105), (5, 3362484), (6, 2802070), (10, 1681242), (12, 1401035), (15, 1120828), (20, 840621), (30, 560414), (60, 280207)]