20149742589

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{281}}^1\times {\mathrm{4721}}^1$

素因数の和:5149

約数の個数: 32

約数和(自身を含む): 27739974528

約数和(自身を除く): 7590231939

約数列:

[1, 3, 61, 83, 183, 249, 281, 843, 4721, 5063, 14163, 15189, 17141, 23323, 51423, 69969, 287981, 391843, 863943, 1175529, 1326601, 1422703, 3979803, 4268109, 23902423, 71707269, 80922661, 110107883, 242767983, 330323649, 6716580863, 20149742589]

約数ペア:

[(1, 20149742589), (3, 6716580863), (61, 330323649), (83, 242767983), (183, 110107883), (249, 80922661), (281, 71707269), (843, 23902423), (4721, 4268109), (5063, 3979803), (14163, 1422703), (15189, 1326601), (17141, 1175529), (23323, 863943), (51423, 391843), (69969, 287981)]