20212397

素因数分解:

${\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1$

素因数の和:340

約数の個数: 16

約数和(自身を含む): 21669120

約数和(自身を除く): 1456723

約数列:

[1, 37, 47, 59, 197, 1739, 2183, 2773, 7289, 9259, 11623, 102601, 342583, 430051, 546281, 20212397]

約数ペア:

[(1, 20212397), (37, 546281), (47, 430051), (59, 342583), (197, 102601), (1739, 11623), (2183, 9259), (2773, 7289)]