20060220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{367}}^1\times {\mathrm{911}}^1$

素因数の和:1290

約数の個数: 48

約数和(自身を含む): 56383488

約数和(自身を除く): 36323268

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 367, 734, 911, 1101, 1468, 1822, 1835, 2202, 2733, 3644, 3670, 4404, 4555, 5466, 5505, 7340, 9110, 10932, 11010, 13665, 18220, 22020, 27330, 54660, 334337, 668674, 1003011, 1337348, 1671685, 2006022, 3343370, 4012044, 5015055, 6686740, 10030110, 20060220]

約数ペア:

[(1, 20060220), (2, 10030110), (3, 6686740), (4, 5015055), (5, 4012044), (6, 3343370), (10, 2006022), (12, 1671685), (15, 1337348), (20, 1003011), (30, 668674), (60, 334337), (367, 54660), (734, 27330), (911, 22020), (1101, 18220), (1468, 13665), (1822, 11010), (1835, 10932), (2202, 9110), (2733, 7340), (3644, 5505), (3670, 5466), (4404, 4555)]