20522085

素因数分解:

$3^1\times 5^1\times {\mathrm{971}}^1\times {\mathrm{1409}}^1$

素因数の和:2388

約数の個数: 16

約数和(自身を含む): 32892480

約数和(自身を除く): 12370395

約数列:

[1, 3, 5, 15, 971, 1409, 2913, 4227, 4855, 7045, 14565, 21135, 1368139, 4104417, 6840695, 20522085]

約数ペア:

[(1, 20522085), (3, 6840695), (5, 4104417), (15, 1368139), (971, 21135), (1409, 14565), (2913, 7045), (4227, 4855)]