20954030

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{123259}}^1$

素因数の和:123283

約数の個数: 16

約数和(自身を含む): 39936240

約数和(自身を除く): 18982210

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 123259, 246518, 616295, 1232590, 2095403, 4190806, 10477015, 20954030]

約数ペア:

[(1, 20954030), (2, 10477015), (5, 4190806), (10, 2095403), (17, 1232590), (34, 616295), (85, 246518), (170, 123259)]