20092989

素因数分解:

$3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{2579}}^1$

素因数の和:2649

約数の個数: 24

約数和(自身を含む): 31764960

約数和(自身を除く): 11671971

約数列:

[1, 3, 7, 21, 49, 53, 147, 159, 371, 1113, 2579, 2597, 7737, 7791, 18053, 54159, 126371, 136687, 379113, 410061, 956809, 2870427, 6697663, 20092989]

約数ペア:

[(1, 20092989), (3, 6697663), (7, 2870427), (21, 956809), (49, 410061), (53, 379113), (147, 136687), (159, 126371), (371, 54159), (1113, 18053), (2579, 7791), (2597, 7737)]