20852156

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{1117}}^1$

素因数の和:1493

約数の個数: 24

約数和(自身を含む): 39443040

約数和(自身を除く): 18590884

約数列:

[1, 2, 4, 13, 26, 52, 359, 718, 1117, 1436, 2234, 4468, 4667, 9334, 14521, 18668, 29042, 58084, 401003, 802006, 1604012, 5213039, 10426078, 20852156]

約数ペア:

[(1, 20852156), (2, 10426078), (4, 5213039), (13, 1604012), (26, 802006), (52, 401003), (359, 58084), (718, 29042), (1117, 18668), (1436, 14521), (2234, 9334), (4468, 4667)]