20209816

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{1283}}^1$

素因数の和:1479

約数の個数: 32

約数和(自身を含む): 41601600

約数和(自身を除く): 21391784

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 179, 358, 716, 1283, 1432, 1969, 2566, 3938, 5132, 7876, 10264, 14113, 15752, 28226, 56452, 112904, 229657, 459314, 918628, 1837256, 2526227, 5052454, 10104908, 20209816]

約数ペア:

[(1, 20209816), (2, 10104908), (4, 5052454), (8, 2526227), (11, 1837256), (22, 918628), (44, 459314), (88, 229657), (179, 112904), (358, 56452), (716, 28226), (1283, 15752), (1432, 14113), (1969, 10264), (2566, 7876), (3938, 5132)]