20047893

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{389}}^1\times {\mathrm{419}}^1$

素因数の和:852

約数の個数: 16

約数和(自身を含む): 27518400

約数和(自身を除く): 7470507

約数列:

[1, 3, 41, 123, 389, 419, 1167, 1257, 15949, 17179, 47847, 51537, 162991, 488973, 6682631, 20047893]

約数ペア:

[(1, 20047893), (3, 6682631), (41, 488973), (123, 162991), (389, 51537), (419, 47847), (1167, 17179), (1257, 15949)]