31903420

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{37097}}^1$

素因数の和:37149

約数の個数: 24

約数和(自身を含む): 68557104

約数和(自身を除く): 36653684

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 37097, 74194, 148388, 185485, 370970, 741940, 1595171, 3190342, 6380684, 7975855, 15951710, 31903420]

約数ペア:

[(1, 31903420), (2, 15951710), (4, 7975855), (5, 6380684), (10, 3190342), (20, 1595171), (43, 741940), (86, 370970), (172, 185485), (215, 148388), (430, 74194), (860, 37097)]