20807135

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{2393}}^1$

素因数の和:2482

約数の個数: 16

約数和(自身を含む): 26199936

約数和(自身を除く): 5392801

約数列:

[1, 5, 37, 47, 185, 235, 1739, 2393, 8695, 11965, 88541, 112471, 442705, 562355, 4161427, 20807135]

約数ペア:

[(1, 20807135), (5, 4161427), (37, 562355), (47, 442705), (185, 112471), (235, 88541), (1739, 11965), (2393, 8695)]