20774565

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{65951}}^1$

素因数の和:65969

約数の個数: 24

約数和(自身を含む): 41154048

約数和(自身を除く): 20379483

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 65951, 197853, 329755, 461657, 593559, 989265, 1384971, 2308285, 2967795, 4154913, 6924855, 20774565]

約数ペア:

[(1, 20774565), (3, 6924855), (5, 4154913), (7, 2967795), (9, 2308285), (15, 1384971), (21, 989265), (35, 593559), (45, 461657), (63, 329755), (105, 197853), (315, 65951)]