20928882

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{1069}}^1$

素因数の和:1338

約数の個数: 32

約数和(自身を含む): 45299520

約数和(自身を除く): 24370638

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 251, 502, 753, 1069, 1506, 2138, 3207, 3263, 6414, 6526, 9789, 13897, 19578, 27794, 41691, 83382, 268319, 536638, 804957, 1609914, 3488147, 6976294, 10464441, 20928882]

約数ペア:

[(1, 20928882), (2, 10464441), (3, 6976294), (6, 3488147), (13, 1609914), (26, 804957), (39, 536638), (78, 268319), (251, 83382), (502, 41691), (753, 27794), (1069, 19578), (1506, 13897), (2138, 9789), (3207, 6526), (3263, 6414)]