20126666

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{499}}^1$

素因数の和:618

約数の個数: 32

約数和(自身を含む): 35904000

約数和(自身を除く): 15777334

約数列:

[1, 2, 7, 14, 43, 67, 86, 134, 301, 469, 499, 602, 938, 998, 2881, 3493, 5762, 6986, 20167, 21457, 33433, 40334, 42914, 66866, 150199, 234031, 300398, 468062, 1437619, 2875238, 10063333, 20126666]

約数ペア:

[(1, 20126666), (2, 10063333), (7, 2875238), (14, 1437619), (43, 468062), (67, 300398), (86, 234031), (134, 150199), (301, 66866), (469, 42914), (499, 40334), (602, 33433), (938, 21457), (998, 20167), (2881, 6986), (3493, 5762)]