20683510

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{66721}}^1$

素因数の和:66759

約数の個数: 16

約数和(自身を含む): 38431872

約数和(自身を除く): 17748362

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 66721, 133442, 333605, 667210, 2068351, 4136702, 10341755, 20683510]

約数ペア:

[(1, 20683510), (2, 10341755), (5, 4136702), (10, 2068351), (31, 667210), (62, 333605), (155, 133442), (310, 66721)]