20606608

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{613}}^1$

素因数の和:823

約数の個数: 40

約数和(自身を含む): 43854336

約数和(自身を除く): 23247728

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 191, 382, 613, 764, 1226, 1528, 2101, 2452, 3056, 4202, 4904, 6743, 8404, 9808, 13486, 16808, 26972, 33616, 53944, 107888, 117083, 234166, 468332, 936664, 1287913, 1873328, 2575826, 5151652, 10303304, 20606608]

約数ペア:

[(1, 20606608), (2, 10303304), (4, 5151652), (8, 2575826), (11, 1873328), (16, 1287913), (22, 936664), (44, 468332), (88, 234166), (176, 117083), (191, 107888), (382, 53944), (613, 33616), (764, 26972), (1226, 16808), (1528, 13486), (2101, 9808), (2452, 8404), (3056, 6743), (4202, 4904)]