20778180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{346303}}^1$

素因数の和:346315

約数の個数: 24

約数和(自身を含む): 58179072

約数和(自身を除く): 37400892

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 346303, 692606, 1038909, 1385212, 1731515, 2077818, 3463030, 4155636, 5194545, 6926060, 10389090, 20778180]

約数ペア:

[(1, 20778180), (2, 10389090), (3, 6926060), (4, 5194545), (5, 4155636), (6, 3463030), (10, 2077818), (12, 1731515), (15, 1385212), (20, 1038909), (30, 692606), (60, 346303)]