20299664

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{16477}}^1$

素因数の和:16503

約数の個数: 40

約数和(自身を含む): 49038528

約数和(自身を除く): 28738864

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 16477, 32954, 65908, 115339, 131816, 181247, 230678, 263632, 362494, 461356, 724988, 922712, 1268729, 1449976, 1845424, 2537458, 2899952, 5074916, 10149832, 20299664]

約数ペア:

[(1, 20299664), (2, 10149832), (4, 5074916), (7, 2899952), (8, 2537458), (11, 1845424), (14, 1449976), (16, 1268729), (22, 922712), (28, 724988), (44, 461356), (56, 362494), (77, 263632), (88, 230678), (112, 181247), (154, 131816), (176, 115339), (308, 65908), (616, 32954), (1232, 16477)]