20199789693

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{17398613}}^1$

素因数の和:17398665

約数の個数: 16

約数和(自身を含む): 30621560640

約数和(自身を除く): 10421770947

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 17398613, 52195839, 156587517, 469762551, 748140359, 2244421077, 6733263231, 20199789693]

約数ペア:

[(1, 20199789693), (3, 6733263231), (9, 2244421077), (27, 748140359), (43, 469762551), (129, 156587517), (387, 52195839), (1161, 17398613)]