20327930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{290399}}^1$

素因数の和:290413

約数の個数: 16

約数和(自身を含む): 41817600

約数和(自身を除く): 21489670

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 290399, 580798, 1451995, 2032793, 2903990, 4065586, 10163965, 20327930]

約数ペア:

[(1, 20327930), (2, 10163965), (5, 4065586), (7, 2903990), (10, 2032793), (14, 1451995), (35, 580798), (70, 290399)]