20450268

素因数分解:

$2^2\times 3^2\times {\mathrm{107}}^1\times {\mathrm{5309}}^1$

素因数の和:5426

約数の個数: 36

約数和(自身を含む): 52186680

約数和(自身を除く): 31736412

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 107, 214, 321, 428, 642, 963, 1284, 1926, 3852, 5309, 10618, 15927, 21236, 31854, 47781, 63708, 95562, 191124, 568063, 1136126, 1704189, 2272252, 3408378, 5112567, 6816756, 10225134, 20450268]

約数ペア:

[(1, 20450268), (2, 10225134), (3, 6816756), (4, 5112567), (6, 3408378), (9, 2272252), (12, 1704189), (18, 1136126), (36, 568063), (107, 191124), (214, 95562), (321, 63708), (428, 47781), (642, 31854), (963, 21236), (1284, 15927), (1926, 10618), (3852, 5309)]