20187339431

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{37321}}^1$

素因数の和:37444

約数の個数: 32

約数和(自身を含む): 25080384000

約数和(自身を除く): 4893044569

約数列:

[1, 7, 19, 49, 83, 133, 343, 581, 931, 1577, 4067, 6517, 11039, 28469, 37321, 77273, 261247, 540911, 709099, 1828729, 3097643, 4963693, 12801103, 21683501, 34745851, 58855217, 151784507, 243220957, 411986519, 1062491549, 2883905633, 20187339431]

約数ペア:

[(1, 20187339431), (7, 2883905633), (19, 1062491549), (49, 411986519), (83, 243220957), (133, 151784507), (343, 58855217), (581, 34745851), (931, 21683501), (1577, 12801103), (4067, 4963693), (6517, 3097643), (11039, 1828729), (28469, 709099), (37321, 540911), (77273, 261247)]