20470784

素因数分解:

$2^{10}\times {\mathrm{19991}}^1$

素因数の和:20011

約数の個数: 22

約数和(自身を含む): 40923624

約数和(自身を除く): 20452840

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 19991, 39982, 79964, 159928, 319856, 639712, 1279424, 2558848, 5117696, 10235392, 20470784]

約数ペア:

[(1, 20470784), (2, 10235392), (4, 5117696), (8, 2558848), (16, 1279424), (32, 639712), (64, 319856), (128, 159928), (256, 79964), (512, 39982), (1024, 19991)]