20650215

素因数分解:

$3^1\times 5^1\times {\mathrm{571}}^1\times {\mathrm{2411}}^1$

素因数の和:2990

約数の個数: 16

約数和(自身を含む): 33111936

約数和(自身を除く): 12461721

約数列:

[1, 3, 5, 15, 571, 1713, 2411, 2855, 7233, 8565, 12055, 36165, 1376681, 4130043, 6883405, 20650215]

約数ペア:

[(1, 20650215), (3, 6883405), (5, 4130043), (15, 1376681), (571, 36165), (1713, 12055), (2411, 8565), (2855, 7233)]