20761605

素因数分解:

$3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{2549}}^1$

素因数の和:2741

約数の個数: 24

約数和(自身を含む): 36199800

約数和(自身を除く): 15438195

約数列:

[1, 3, 5, 9, 15, 45, 181, 543, 905, 1629, 2549, 2715, 7647, 8145, 12745, 22941, 38235, 114705, 461369, 1384107, 2306845, 4152321, 6920535, 20761605]

約数ペア:

[(1, 20761605), (3, 6920535), (5, 4152321), (9, 2306845), (15, 1384107), (45, 461369), (181, 114705), (543, 38235), (905, 22941), (1629, 12745), (2549, 8145), (2715, 7647)]