20013532

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{359}}^1$

素因数の和:562

約数の個数: 48

約数和(自身を含む): 44029440

約数和(自身を除く): 24015908

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 181, 308, 359, 362, 718, 724, 1267, 1436, 1991, 2513, 2534, 3949, 3982, 5026, 5068, 7898, 7964, 10052, 13937, 15796, 27643, 27874, 55286, 55748, 64979, 110572, 129958, 259916, 454853, 714769, 909706, 1429538, 1819412, 2859076, 5003383, 10006766, 20013532]

約数ペア:

[(1, 20013532), (2, 10006766), (4, 5003383), (7, 2859076), (11, 1819412), (14, 1429538), (22, 909706), (28, 714769), (44, 454853), (77, 259916), (154, 129958), (181, 110572), (308, 64979), (359, 55748), (362, 55286), (718, 27874), (724, 27643), (1267, 15796), (1436, 13937), (1991, 10052), (2513, 7964), (2534, 7898), (3949, 5068), (3982, 5026)]