20139441

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{8059}}^1$

素因数の和:8093

約数の個数: 24

約数和(自身を含む): 33078240

約数和(自身を除く): 12938799

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 833, 2499, 8059, 24177, 56413, 137003, 169239, 394891, 411009, 959021, 1184673, 2877063, 6713147, 20139441]

約数ペア:

[(1, 20139441), (3, 6713147), (7, 2877063), (17, 1184673), (21, 959021), (49, 411009), (51, 394891), (119, 169239), (147, 137003), (357, 56413), (833, 24177), (2499, 8059)]