20526784

素因数分解:

$2^6\times {\mathrm{349}}^1\times {\mathrm{919}}^1$

素因数の和:1280

約数の個数: 28

約数和(自身を含む): 40894000

約数和(自身を除く): 20367216

約数列:

[1, 2, 4, 8, 16, 32, 64, 349, 698, 919, 1396, 1838, 2792, 3676, 5584, 7352, 11168, 14704, 22336, 29408, 58816, 320731, 641462, 1282924, 2565848, 5131696, 10263392, 20526784]

約数ペア:

[(1, 20526784), (2, 10263392), (4, 5131696), (8, 2565848), (16, 1282924), (32, 641462), (64, 320731), (349, 58816), (698, 29408), (919, 22336), (1396, 14704), (1838, 11168), (2792, 7352), (3676, 5584)]