20531872

素因数分解:

$2^5\times {\mathrm{449}}^1\times {\mathrm{1429}}^1$

素因数の和:1888

約数の個数: 24

約数和(自身を含む): 40540500

約数和(自身を除く): 20008628

約数列:

[1, 2, 4, 8, 16, 32, 449, 898, 1429, 1796, 2858, 3592, 5716, 7184, 11432, 14368, 22864, 45728, 641621, 1283242, 2566484, 5132968, 10265936, 20531872]

約数ペア:

[(1, 20531872), (2, 10265936), (4, 5132968), (8, 2566484), (16, 1283242), (32, 641621), (449, 45728), (898, 22864), (1429, 14368), (1796, 11432), (2858, 7184), (3592, 5716)]