20758299678

素因数分解:

$2^1\times 3^3\times {\mathrm{71}}^1\times {\mathrm{1831}}^1\times {\mathrm{2957}}^1$

素因数の和:4870

約数の個数: 64

約数和(自身を含む): 46820643840

約数和(自身を除く): 26062344162

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 142, 213, 426, 639, 1278, 1831, 1917, 2957, 3662, 3834, 5493, 5914, 8871, 10986, 16479, 17742, 26613, 32958, 49437, 53226, 79839, 98874, 130001, 159678, 209947, 260002, 390003, 419894, 629841, 780006, 1170009, 1259682, 1889523, 2340018, 3510027, 3779046, 5414267, 5668569, 7020054, 10828534, 11337138, 16242801, 32485602, 48728403, 97456806, 146185209, 292370418, 384412957, 768825914, 1153238871, 2306477742, 3459716613, 6919433226, 10379149839, 20758299678]

約数ペア:

[(1, 20758299678), (2, 10379149839), (3, 6919433226), (6, 3459716613), (9, 2306477742), (18, 1153238871), (27, 768825914), (54, 384412957), (71, 292370418), (142, 146185209), (213, 97456806), (426, 48728403), (639, 32485602), (1278, 16242801), (1831, 11337138), (1917, 10828534), (2957, 7020054), (3662, 5668569), (3834, 5414267), (5493, 3779046), (5914, 3510027), (8871, 2340018), (10986, 1889523), (16479, 1259682), (17742, 1170009), (26613, 780006), (32958, 629841), (49437, 419894), (53226, 390003), (79839, 260002), (98874, 209947), (130001, 159678)]