20257611

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{353}}^1$

素因数の和:451

約数の個数: 32

約数和(自身を含む): 30993408

約数和(自身を除く): 10735797

約数列:

[1, 3, 11, 33, 37, 47, 111, 141, 353, 407, 517, 1059, 1221, 1551, 1739, 3883, 5217, 11649, 13061, 16591, 19129, 39183, 49773, 57387, 143671, 182501, 431013, 547503, 613867, 1841601, 6752537, 20257611]

約数ペア:

[(1, 20257611), (3, 6752537), (11, 1841601), (33, 613867), (37, 547503), (47, 431013), (111, 182501), (141, 143671), (353, 57387), (407, 49773), (517, 39183), (1059, 19129), (1221, 16591), (1551, 13061), (1739, 11649), (3883, 5217)]