9420020

素因数分解:

$2^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{1049}}^1$

素因数の和:1507

約数の個数: 24

約数和(自身を含む): 19845000

約数和(自身を除く): 10424980

約数列:

[1, 2, 4, 5, 10, 20, 449, 898, 1049, 1796, 2098, 2245, 4196, 4490, 5245, 8980, 10490, 20980, 471001, 942002, 1884004, 2355005, 4710010, 9420020]

約数ペア:

[(1, 9420020), (2, 4710010), (4, 2355005), (5, 1884004), (10, 942002), (20, 471001), (449, 20980), (898, 10490), (1049, 8980), (1796, 5245), (2098, 4490), (2245, 4196)]