20931064

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{3089}}^1$

素因数の和:3124

約数の個数: 48

約数和(自身を含む): 49316400

約数和(自身を除く): 28385336

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 121, 154, 242, 308, 484, 616, 847, 968, 1694, 3089, 3388, 6178, 6776, 12356, 21623, 24712, 33979, 43246, 67958, 86492, 135916, 172984, 237853, 271832, 373769, 475706, 747538, 951412, 1495076, 1902824, 2616383, 2990152, 5232766, 10465532, 20931064]

約数ペア:

[(1, 20931064), (2, 10465532), (4, 5232766), (7, 2990152), (8, 2616383), (11, 1902824), (14, 1495076), (22, 951412), (28, 747538), (44, 475706), (56, 373769), (77, 271832), (88, 237853), (121, 172984), (154, 135916), (242, 86492), (308, 67958), (484, 43246), (616, 33979), (847, 24712), (968, 21623), (1694, 12356), (3089, 6776), (3388, 6178)]