20784495

素因数分解:

$3^1\times 5^1\times {\mathrm{419}}^1\times {\mathrm{3307}}^1$

素因数の和:3734

約数の個数: 16

約数和(自身を含む): 33344640

約数和(自身を除く): 12560145

約数列:

[1, 3, 5, 15, 419, 1257, 2095, 3307, 6285, 9921, 16535, 49605, 1385633, 4156899, 6928165, 20784495]

約数ペア:

[(1, 20784495), (3, 6928165), (5, 4156899), (15, 1385633), (419, 49605), (1257, 16535), (2095, 9921), (3307, 6285)]