20871899

素因数分解:

${\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{433}}^1$

素因数の和:554

約数の個数: 16

約数和(自身を含む): 22915200

約数和(自身を除く): 2043301

約数列:

[1, 19, 43, 59, 433, 817, 1121, 2537, 8227, 18619, 25547, 48203, 353761, 485393, 1098521, 20871899]

約数ペア:

[(1, 20871899), (19, 1098521), (43, 485393), (59, 353761), (433, 48203), (817, 25547), (1121, 18619), (2537, 8227)]