20373318295

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{66041}}^1$

素因数の和:66207

約数の個数: 32

約数和(自身を含む): 27388938240

約数和(自身を除く): 7015619945

約数列:

[1, 5, 11, 55, 71, 79, 355, 395, 781, 869, 3905, 4345, 5609, 28045, 61699, 66041, 308495, 330205, 726451, 3632255, 4688911, 5217239, 23444555, 26086195, 51578021, 57389629, 257890105, 286948145, 370423969, 1852119845, 4074663659, 20373318295]

約数ペア:

[(1, 20373318295), (5, 4074663659), (11, 1852119845), (55, 370423969), (71, 286948145), (79, 257890105), (355, 57389629), (395, 51578021), (781, 26086195), (869, 23444555), (3905, 5217239), (4345, 4688911), (5609, 3632255), (28045, 726451), (61699, 330205), (66041, 308495)]