20327132

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{16883}}^1$

素因数の和:16937

約数の個数: 24

約数和(自身を含む): 41602176

約数和(自身を除く): 21275044

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 16883, 33766, 67532, 118181, 236362, 472724, 725969, 1451938, 2903876, 5081783, 10163566, 20327132]

約数ペア:

[(1, 20327132), (2, 10163566), (4, 5081783), (7, 2903876), (14, 1451938), (28, 725969), (43, 472724), (86, 236362), (172, 118181), (301, 67532), (602, 33766), (1204, 16883)]