20324930

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{557}}^1$

素因数の和:694

約数の個数: 32

約数和(自身を含む): 37966320

約数和(自身を除く): 17641390

約数列:

[1, 2, 5, 10, 41, 82, 89, 178, 205, 410, 445, 557, 890, 1114, 2785, 3649, 5570, 7298, 18245, 22837, 36490, 45674, 49573, 99146, 114185, 228370, 247865, 495730, 2032493, 4064986, 10162465, 20324930]

約数ペア:

[(1, 20324930), (2, 10162465), (5, 4064986), (10, 2032493), (41, 495730), (82, 247865), (89, 228370), (178, 114185), (205, 99146), (410, 49573), (445, 45674), (557, 36490), (890, 22837), (1114, 18245), (2785, 7298), (3649, 5570)]