20166441560

素因数分解:

$2^3\times 5^1\times {\mathrm{504161039}}^1$

素因数の和:504161050

約数の個数: 16

約数和(自身を含む): 45374493600

約数和(自身を除く): 25208052040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 504161039, 1008322078, 2016644156, 2520805195, 4033288312, 5041610390, 10083220780, 20166441560]

約数ペア:

[(1, 20166441560), (2, 10083220780), (4, 5041610390), (5, 4033288312), (8, 2520805195), (10, 2016644156), (20, 1008322078), (40, 504161039)]