20808687618

素因数分解:

$2^1\times 3^4\times {\mathrm{127}}^1\times {\mathrm{1011407}}^1$

素因数の和:1011548

約数の個数: 40

約数和(自身を含む): 46994061312

約数和(自身を除く): 26185373694

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 127, 162, 254, 381, 762, 1143, 2286, 3429, 6858, 10287, 20574, 1011407, 2022814, 3034221, 6068442, 9102663, 18205326, 27307989, 54615978, 81923967, 128448689, 163847934, 256897378, 385346067, 770692134, 1156038201, 2312076402, 3468114603, 6936229206, 10404343809, 20808687618]

約数ペア:

[(1, 20808687618), (2, 10404343809), (3, 6936229206), (6, 3468114603), (9, 2312076402), (18, 1156038201), (27, 770692134), (54, 385346067), (81, 256897378), (127, 163847934), (162, 128448689), (254, 81923967), (381, 54615978), (762, 27307989), (1143, 18205326), (2286, 9102663), (3429, 6068442), (6858, 3034221), (10287, 2022814), (20574, 1011407)]