20112393

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^2\times {\mathrm{379}}^1$

素因数の和:434

約数の個数: 36

約数和(自身を含む): 33009840

約数和(自身を除く): 12897447

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 361, 379, 399, 931, 1083, 1137, 2527, 2653, 2793, 7201, 7581, 7959, 17689, 18571, 21603, 50407, 53067, 55713, 136819, 151221, 352849, 410457, 957733, 1058547, 2873199, 6704131, 20112393]

約数ペア:

[(1, 20112393), (3, 6704131), (7, 2873199), (19, 1058547), (21, 957733), (49, 410457), (57, 352849), (133, 151221), (147, 136819), (361, 55713), (379, 53067), (399, 50407), (931, 21603), (1083, 18571), (1137, 17689), (2527, 7959), (2653, 7581), (2793, 7201)]