20468511

素因数分解:

$3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2927}}^1$

素因数の和:2980

約数の個数: 32

約数和(自身を含む): 35604480

約数和(自身を除く): 15135969

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 111, 189, 259, 333, 777, 999, 2331, 2927, 6993, 8781, 20489, 26343, 61467, 79029, 108299, 184401, 324897, 553203, 758093, 974691, 2274279, 2924073, 6822837, 20468511]

約数ペア:

[(1, 20468511), (3, 6822837), (7, 2924073), (9, 2274279), (21, 974691), (27, 758093), (37, 553203), (63, 324897), (111, 184401), (189, 108299), (259, 79029), (333, 61467), (777, 26343), (999, 20489), (2331, 8781), (2927, 6993)]