20809893310

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{7057}}^1\times {\mathrm{12821}}^1$

素因数の和:19908

約数の個数: 32

約数和(自身を含む): 39094996032

約数和(自身を除く): 18285102722

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 7057, 12821, 14114, 25642, 35285, 64105, 70570, 128210, 162311, 294883, 324622, 589766, 811555, 1474415, 1623110, 2948830, 90477797, 180955594, 452388985, 904777970, 2080989331, 4161978662, 10404946655, 20809893310]

約数ペア:

[(1, 20809893310), (2, 10404946655), (5, 4161978662), (10, 2080989331), (23, 904777970), (46, 452388985), (115, 180955594), (230, 90477797), (7057, 2948830), (12821, 1623110), (14114, 1474415), (25642, 811555), (35285, 589766), (64105, 324622), (70570, 294883), (128210, 162311)]