20416005

素因数分解:

$3^2\times 5^1\times {\mathrm{631}}^1\times {\mathrm{719}}^1$

素因数の和:1361

約数の個数: 24

約数和(自身を含む): 35493120

約数和(自身を除く): 15077115

約数列:

[1, 3, 5, 9, 15, 45, 631, 719, 1893, 2157, 3155, 3595, 5679, 6471, 9465, 10785, 28395, 32355, 453689, 1361067, 2268445, 4083201, 6805335, 20416005]

約数ペア:

[(1, 20416005), (3, 6805335), (5, 4083201), (9, 2268445), (15, 1361067), (45, 453689), (631, 32355), (719, 28395), (1893, 10785), (2157, 9465), (3155, 6471), (3595, 5679)]