20499632

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{67433}}^1$

素因数の和:67460

約数の個数: 20

約数和(自身を含む): 41809080

約数和(自身を除く): 21309448

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 67433, 134866, 269732, 539464, 1078928, 1281227, 2562454, 5124908, 10249816, 20499632]

約数ペア:

[(1, 20499632), (2, 10249816), (4, 5124908), (8, 2562454), (16, 1281227), (19, 1078928), (38, 539464), (76, 269732), (152, 134866), (304, 67433)]