20443755

素因数分解:

$3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{8681}}^1$

素因数の和:8846

約数の個数: 16

約数和(自身を含む): 32922144

約数和(自身を除く): 12478389

約数列:

[1, 3, 5, 15, 157, 471, 785, 2355, 8681, 26043, 43405, 130215, 1362917, 4088751, 6814585, 20443755]

約数ペア:

[(1, 20443755), (3, 6814585), (5, 4088751), (15, 1362917), (157, 130215), (471, 43405), (785, 26043), (2355, 8681)]