20791065

素因数分解:

$3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{13457}}^1$

素因数の和:13568

約数の個数: 16

約数和(自身を含む): 33591168

約数和(自身を除く): 12800103

約数列:

[1, 3, 5, 15, 103, 309, 515, 1545, 13457, 40371, 67285, 201855, 1386071, 4158213, 6930355, 20791065]

約数ペア:

[(1, 20791065), (3, 6930355), (5, 4158213), (15, 1386071), (103, 201855), (309, 67285), (515, 40371), (1545, 13457)]