28203020

素因数分解:

$2^2\times 5^1\times {\mathrm{883}}^1\times {\mathrm{1597}}^1$

素因数の和:2489

約数の個数: 24

約数和(自身を含む): 59330544

約数和(自身を除く): 31127524

約数列:

[1, 2, 4, 5, 10, 20, 883, 1597, 1766, 3194, 3532, 4415, 6388, 7985, 8830, 15970, 17660, 31940, 1410151, 2820302, 5640604, 7050755, 14101510, 28203020]

約数ペア:

[(1, 28203020), (2, 14101510), (4, 7050755), (5, 5640604), (10, 2820302), (20, 1410151), (883, 31940), (1597, 17660), (1766, 15970), (3194, 8830), (3532, 7985), (4415, 6388)]