20926353

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{293}}^1$

素因数の和:501

約数の個数: 32

約数和(自身を含む): 33868800

約数和(自身を除く): 12942447

約数列:

[1, 3, 7, 19, 21, 57, 133, 179, 293, 399, 537, 879, 1253, 2051, 3401, 3759, 5567, 6153, 10203, 16701, 23807, 38969, 52447, 71421, 116907, 157341, 367129, 996493, 1101387, 2989479, 6975451, 20926353]

約数ペア:

[(1, 20926353), (3, 6975451), (7, 2989479), (19, 1101387), (21, 996493), (57, 367129), (133, 157341), (179, 116907), (293, 71421), (399, 52447), (537, 38969), (879, 23807), (1253, 16701), (2051, 10203), (3401, 6153), (3759, 5567)]