20966016

素因数分解:

$2^7\times 3^1\times {\mathrm{71}}^1\times {\mathrm{769}}^1$

素因数の和:857

約数の個数: 64

約数和(自身を含む): 56548800

約数和(自身を除く): 35582784

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 71, 96, 128, 142, 192, 213, 284, 384, 426, 568, 769, 852, 1136, 1538, 1704, 2272, 2307, 3076, 3408, 4544, 4614, 6152, 6816, 9088, 9228, 12304, 13632, 18456, 24608, 27264, 36912, 49216, 54599, 73824, 98432, 109198, 147648, 163797, 218396, 295296, 327594, 436792, 655188, 873584, 1310376, 1747168, 2620752, 3494336, 5241504, 6988672, 10483008, 20966016]

約数ペア:

[(1, 20966016), (2, 10483008), (3, 6988672), (4, 5241504), (6, 3494336), (8, 2620752), (12, 1747168), (16, 1310376), (24, 873584), (32, 655188), (48, 436792), (64, 327594), (71, 295296), (96, 218396), (128, 163797), (142, 147648), (192, 109198), (213, 98432), (284, 73824), (384, 54599), (426, 49216), (568, 36912), (769, 27264), (852, 24608), (1136, 18456), (1538, 13632), (1704, 12304), (2272, 9228), (2307, 9088), (3076, 6816), (3408, 6152), (4544, 4614)]