20825368

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{7211}}^1$

素因数の和:7255

約数の個数: 24

約数和(自身を含む): 41216580

約数和(自身を除く): 20391212

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 361, 722, 1444, 2888, 7211, 14422, 28844, 57688, 137009, 274018, 548036, 1096072, 2603171, 5206342, 10412684, 20825368]

約数ペア:

[(1, 20825368), (2, 10412684), (4, 5206342), (8, 2603171), (19, 1096072), (38, 548036), (76, 274018), (152, 137009), (361, 57688), (722, 28844), (1444, 14422), (2888, 7211)]