20308030

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{7027}}^1$

素因数の和:7068

約数の個数: 24

約数和(自身を含む): 38836728

約数和(自身を除く): 18528698

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 289, 578, 1445, 2890, 7027, 14054, 35135, 70270, 119459, 238918, 597295, 1194590, 2030803, 4061606, 10154015, 20308030]

約数ペア:

[(1, 20308030), (2, 10154015), (5, 4061606), (10, 2030803), (17, 1194590), (34, 597295), (85, 238918), (170, 119459), (289, 70270), (578, 35135), (1445, 14054), (2890, 7027)]