20122784

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{5197}}^1$

素因数の和:5229

約数の個数: 36

約数和(自身を含む): 43554042

約数和(自身を除く): 23431258

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 121, 176, 242, 352, 484, 968, 1936, 3872, 5197, 10394, 20788, 41576, 57167, 83152, 114334, 166304, 228668, 457336, 628837, 914672, 1257674, 1829344, 2515348, 5030696, 10061392, 20122784]

約数ペア:

[(1, 20122784), (2, 10061392), (4, 5030696), (8, 2515348), (11, 1829344), (16, 1257674), (22, 914672), (32, 628837), (44, 457336), (88, 228668), (121, 166304), (176, 114334), (242, 83152), (352, 57167), (484, 41576), (968, 20788), (1936, 10394), (3872, 5197)]