20713755

素因数分解:

$3^1\times 5^1\times {\mathrm{509}}^1\times {\mathrm{2713}}^1$

素因数の和:3230

約数の個数: 16

約数和(自身を含む): 33219360

約数和(自身を除く): 12505605

約数列:

[1, 3, 5, 15, 509, 1527, 2545, 2713, 7635, 8139, 13565, 40695, 1380917, 4142751, 6904585, 20713755]

約数ペア:

[(1, 20713755), (3, 6904585), (5, 4142751), (15, 1380917), (509, 40695), (1527, 13565), (2545, 8139), (2713, 7635)]