20793970

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^2\times {\mathrm{1237}}^1$

素因数の和:1326

約数の個数: 24

約数和(自身を含む): 38395332

約数和(自身を除く): 17601362

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 1237, 1681, 2474, 3362, 6185, 8405, 12370, 16810, 50717, 101434, 253585, 507170, 2079397, 4158794, 10396985, 20793970]

約数ペア:

[(1, 20793970), (2, 10396985), (5, 4158794), (10, 2079397), (41, 507170), (82, 253585), (205, 101434), (410, 50717), (1237, 16810), (1681, 12370), (2474, 8405), (3362, 6185)]