20790464

素因数分解:

$2^6\times {\mathrm{563}}^1\times {\mathrm{577}}^1$

素因数の和:1152

約数の個数: 28

約数和(自身を含む): 41400984

約数和(自身を除く): 20610520

約数列:

[1, 2, 4, 8, 16, 32, 64, 563, 577, 1126, 1154, 2252, 2308, 4504, 4616, 9008, 9232, 18016, 18464, 36032, 36928, 324851, 649702, 1299404, 2598808, 5197616, 10395232, 20790464]

約数ペア:

[(1, 20790464), (2, 10395232), (4, 5197616), (8, 2598808), (16, 1299404), (32, 649702), (64, 324851), (563, 36928), (577, 36032), (1126, 18464), (1154, 18016), (2252, 9232), (2308, 9008), (4504, 4616)]