20730488857

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{64381}}^1$

素因数の和:64489

約数の個数: 32

約数和(自身を含む): 24920469504

約数和(自身を除く): 4189980647

約数列:

[1, 13, 17, 31, 47, 221, 403, 527, 611, 799, 1457, 6851, 10387, 18941, 24769, 64381, 321997, 836953, 1094477, 1995811, 3025907, 14228201, 25945543, 33928787, 39336791, 51440419, 93803117, 441074231, 668725447, 1219440521, 1594652989, 20730488857]

約数ペア:

[(1, 20730488857), (13, 1594652989), (17, 1219440521), (31, 668725447), (47, 441074231), (221, 93803117), (403, 51440419), (527, 39336791), (611, 33928787), (799, 25945543), (1457, 14228201), (6851, 3025907), (10387, 1995811), (18941, 1094477), (24769, 836953), (64381, 321997)]