20996752

素因数分解:

$2^4\times 7^1\times {\mathrm{187471}}^1$

素因数の和:187486

約数の個数: 20

約数和(自身を含む): 46493056

約数和(自身を除く): 25496304

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 187471, 374942, 749884, 1312297, 1499768, 2624594, 2999536, 5249188, 10498376, 20996752]

約数ペア:

[(1, 20996752), (2, 10498376), (4, 5249188), (7, 2999536), (8, 2624594), (14, 1499768), (16, 1312297), (28, 749884), (56, 374942), (112, 187471)]