20549108

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{2129}}^1$

素因数の和:2279

約数の個数: 24

約数和(自身を含む): 38169600

約数和(自身を除く): 17620492

約数列:

[1, 2, 4, 19, 38, 76, 127, 254, 508, 2129, 2413, 4258, 4826, 8516, 9652, 40451, 80902, 161804, 270383, 540766, 1081532, 5137277, 10274554, 20549108]

約数ペア:

[(1, 20549108), (2, 10274554), (4, 5137277), (19, 1081532), (38, 540766), (76, 270383), (127, 161804), (254, 80902), (508, 40451), (2129, 9652), (2413, 8516), (4258, 4826)]