20406090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{680203}}^1$

素因数の和:680213

約数の個数: 16

約数和(自身を含む): 48974688

約数和(自身を除く): 28568598

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 680203, 1360406, 2040609, 3401015, 4081218, 6802030, 10203045, 20406090]

約数ペア:

[(1, 20406090), (2, 10203045), (3, 6802030), (5, 4081218), (6, 3401015), (10, 2040609), (15, 1360406), (30, 680203)]