20166745179

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{727}}^1\times {\mathrm{1879}}^1$

素因数の和:2672

約数の個数: 64

約数和(自身を含む): 33285324800

約数和(自身を除く): 13118579621

約数列:

[1, 3, 7, 19, 21, 37, 57, 111, 133, 259, 399, 703, 727, 777, 1879, 2109, 2181, 4921, 5089, 5637, 13153, 13813, 14763, 15267, 26899, 35701, 39459, 41439, 69523, 80697, 96691, 107103, 188293, 208569, 249907, 290073, 486661, 511081, 564879, 749721, 1320937, 1366033, 1459983, 1533243, 3577567, 3962811, 4098099, 9246559, 9562231, 10732701, 25954627, 27739677, 28686693, 50543221, 77863881, 151629663, 181682389, 353802547, 545047167, 960321199, 1061407641, 2880963597, 6722248393, 20166745179]

約数ペア:

[(1, 20166745179), (3, 6722248393), (7, 2880963597), (19, 1061407641), (21, 960321199), (37, 545047167), (57, 353802547), (111, 181682389), (133, 151629663), (259, 77863881), (399, 50543221), (703, 28686693), (727, 27739677), (777, 25954627), (1879, 10732701), (2109, 9562231), (2181, 9246559), (4921, 4098099), (5089, 3962811), (5637, 3577567), (13153, 1533243), (13813, 1459983), (14763, 1366033), (15267, 1320937), (26899, 749721), (35701, 564879), (39459, 511081), (41439, 486661), (69523, 290073), (80697, 249907), (96691, 208569), (107103, 188293)]