220179860

素因数分解:

$2^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{24851}}^1$

素因数の和:25303

約数の個数: 24

約数和(自身を含む): 463440096

約数和(自身を除く): 243260236

約数列:

[1, 2, 4, 5, 10, 20, 443, 886, 1772, 2215, 4430, 8860, 24851, 49702, 99404, 124255, 248510, 497020, 11008993, 22017986, 44035972, 55044965, 110089930, 220179860]

約数ペア:

[(1, 220179860), (2, 110089930), (4, 55044965), (5, 44035972), (10, 22017986), (20, 11008993), (443, 497020), (886, 248510), (1772, 124255), (2215, 99404), (4430, 49702), (8860, 24851)]