20685709

素因数分解:

${\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{433}}^1$

素因数の和:588

約数の個数: 16

約数和(自身を含む): 23373504

約数和(自身を除く): 2687795

約数列:

[1, 11, 43, 101, 433, 473, 1111, 4343, 4763, 18619, 43733, 47773, 204809, 481063, 1880519, 20685709]

約数ペア:

[(1, 20685709), (11, 1880519), (43, 481063), (101, 204809), (433, 47773), (473, 43733), (1111, 18619), (4343, 4763)]