20161804916

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{1171}}^1\times {\mathrm{1559}}^1$

素因数の和:2996

約数の個数: 48

約数和(自身を含む): 38701877760

約数和(自身を除く): 18540072844

約数列:

[1, 2, 4, 11, 22, 44, 251, 502, 1004, 1171, 1559, 2342, 2761, 3118, 4684, 5522, 6236, 11044, 12881, 17149, 25762, 34298, 51524, 68596, 293921, 391309, 587842, 782618, 1175684, 1565236, 1825589, 3233131, 3651178, 4304399, 6466262, 7302356, 8608798, 12932524, 17217596, 20081479, 40162958, 80325916, 458222839, 916445678, 1832891356, 5040451229, 10080902458, 20161804916]

約数ペア:

[(1, 20161804916), (2, 10080902458), (4, 5040451229), (11, 1832891356), (22, 916445678), (44, 458222839), (251, 80325916), (502, 40162958), (1004, 20081479), (1171, 17217596), (1559, 12932524), (2342, 8608798), (2761, 7302356), (3118, 6466262), (4684, 4304399), (5522, 3651178), (6236, 3233131), (11044, 1825589), (12881, 1565236), (17149, 1175684), (25762, 782618), (34298, 587842), (51524, 391309), (68596, 293921)]