20806865265

素因数分解:

$3^1\times 5^1\times {\mathrm{6871}}^1\times {\mathrm{201881}}^1$

素因数の和:208760

約数の個数: 16

約数和(自身を含む): 33295994496

約数和(自身を除く): 12489129231

約数列:

[1, 3, 5, 15, 6871, 20613, 34355, 103065, 201881, 605643, 1009405, 3028215, 1387124351, 4161373053, 6935621755, 20806865265]

約数ペア:

[(1, 20806865265), (3, 6935621755), (5, 4161373053), (15, 1387124351), (6871, 3028215), (20613, 1009405), (34355, 605643), (103065, 201881)]