20340545

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{59}}^1\times {\mathrm{191}}^1$

素因数の和:293

約数の個数: 24

約数和(自身を含む): 26334720

約数和(自身を除く): 5994175

約数列:

[1, 5, 19, 59, 95, 191, 295, 361, 955, 1121, 1805, 3629, 5605, 11269, 18145, 21299, 56345, 68951, 106495, 214111, 344755, 1070555, 4068109, 20340545]

約数ペア:

[(1, 20340545), (5, 4068109), (19, 1070555), (59, 344755), (95, 214111), (191, 106495), (295, 68951), (361, 56345), (955, 21299), (1121, 18145), (1805, 11269), (3629, 5605)]