20344955

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{349}}^1$

素因数の和:574

約数の個数: 16

約数和(自身を含む): 24948000

約数和(自身を除く): 4603045

約数列:

[1, 5, 89, 131, 349, 445, 655, 1745, 11659, 31061, 45719, 58295, 155305, 228595, 4068991, 20344955]

約数ペア:

[(1, 20344955), (5, 4068991), (89, 228595), (131, 155305), (349, 58295), (445, 45719), (655, 31061), (1745, 11659)]