20219728540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2819}}^1\times {\mathrm{32603}}^1$

素因数の和:35442

約数の個数: 48

約数和(自身を含む): 46339413120

約数和(自身を除く): 26119684580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 2819, 5638, 11276, 14095, 28190, 31009, 32603, 56380, 62018, 65206, 124036, 130412, 155045, 163015, 310090, 326030, 358633, 620180, 652060, 717266, 1434532, 1793165, 3586330, 7172660, 91907857, 183815714, 367631428, 459539285, 919078570, 1010986427, 1838157140, 2021972854, 4043945708, 5054932135, 10109864270, 20219728540]

約数ペア:

[(1, 20219728540), (2, 10109864270), (4, 5054932135), (5, 4043945708), (10, 2021972854), (11, 1838157140), (20, 1010986427), (22, 919078570), (44, 459539285), (55, 367631428), (110, 183815714), (220, 91907857), (2819, 7172660), (5638, 3586330), (11276, 1793165), (14095, 1434532), (28190, 717266), (31009, 652060), (32603, 620180), (56380, 358633), (62018, 326030), (65206, 310090), (124036, 163015), (130412, 155045)]