20896688

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{17891}}^1$

素因数の和:17972

約数の個数: 20

約数和(自身を含む): 41044248

約数和(自身を除く): 20147560

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 1168, 17891, 35782, 71564, 143128, 286256, 1306043, 2612086, 5224172, 10448344, 20896688]

約数ペア:

[(1, 20896688), (2, 10448344), (4, 5224172), (8, 2612086), (16, 1306043), (73, 286256), (146, 143128), (292, 71564), (584, 35782), (1168, 17891)]