16830280

素因数分解:

$2^3\times 5^1\times {\mathrm{420757}}^1$

素因数の和:420768

約数の個数: 16

約数和(自身を含む): 37868220

約数和(自身を除く): 21037940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 420757, 841514, 1683028, 2103785, 3366056, 4207570, 8415140, 16830280]

約数ペア:

[(1, 16830280), (2, 8415140), (4, 4207570), (5, 3366056), (8, 2103785), (10, 1683028), (20, 841514), (40, 420757)]