20852224

素因数分解:

$2^9\times {\mathrm{139}}^1\times {\mathrm{293}}^1$

素因数の和:450

約数の個数: 40

約数和(自身を含む): 42106680

約数和(自身を除く): 21254456

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 139, 256, 278, 293, 512, 556, 586, 1112, 1172, 2224, 2344, 4448, 4688, 8896, 9376, 17792, 18752, 35584, 37504, 40727, 71168, 75008, 81454, 150016, 162908, 325816, 651632, 1303264, 2606528, 5213056, 10426112, 20852224]

約数ペア:

[(1, 20852224), (2, 10426112), (4, 5213056), (8, 2606528), (16, 1303264), (32, 651632), (64, 325816), (128, 162908), (139, 150016), (256, 81454), (278, 75008), (293, 71168), (512, 40727), (556, 37504), (586, 35584), (1112, 18752), (1172, 17792), (2224, 9376), (2344, 8896), (4448, 4688)]