20129155

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{659}}^1$

素因数の和:854

約数の個数: 16

約数和(自身を含む): 24948000

約数和(自身を除く): 4818845

約数列:

[1, 5, 41, 149, 205, 659, 745, 3295, 6109, 27019, 30545, 98191, 135095, 490955, 4025831, 20129155]

約数ペア:

[(1, 20129155), (5, 4025831), (41, 490955), (149, 135095), (205, 98191), (659, 30545), (745, 27019), (3295, 6109)]