20571136

素因数分解:

$2^{10}\times {\mathrm{20089}}^1$

素因数の和:20109

約数の個数: 22

約数和(自身を含む): 41124230

約数和(自身を除く): 20553094

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 20089, 40178, 80356, 160712, 321424, 642848, 1285696, 2571392, 5142784, 10285568, 20571136]

約数ペア:

[(1, 20571136), (2, 10285568), (4, 5142784), (8, 2571392), (16, 1285696), (32, 642848), (64, 321424), (128, 160712), (256, 80356), (512, 40178), (1024, 20089)]