20563591

素因数分解:

${\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{181}}^1$

素因数の和:402

約数の個数: 16

約数和(自身を含む): 22565088

約数和(自身を除く): 2001497

約数列:

[1, 17, 41, 163, 181, 697, 2771, 3077, 6683, 7421, 29503, 113611, 126157, 501551, 1209623, 20563591]

約数ペア:

[(1, 20563591), (17, 1209623), (41, 501551), (163, 126157), (181, 113611), (697, 29503), (2771, 7421), (3077, 6683)]