20805814904

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2137}}^1\times {\mathrm{7559}}^1$

素因数の和:9732

約数の個数: 64

約数和(自身を含む): 46550246400

約数和(自身を除く): 25744431496

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 644, 1288, 2137, 4274, 7559, 8548, 14959, 15118, 17096, 29918, 30236, 49151, 52913, 59836, 60472, 98302, 105826, 119672, 173857, 196604, 211652, 344057, 347714, 393208, 423304, 688114, 695428, 1216999, 1376228, 1390856, 2433998, 2752456, 4867996, 9735992, 16153583, 32307166, 64614332, 113075081, 129228664, 226150162, 371532409, 452300324, 743064818, 904600648, 1486129636, 2600726863, 2972259272, 5201453726, 10402907452, 20805814904]

約数ペア:

[(1, 20805814904), (2, 10402907452), (4, 5201453726), (7, 2972259272), (8, 2600726863), (14, 1486129636), (23, 904600648), (28, 743064818), (46, 452300324), (56, 371532409), (92, 226150162), (161, 129228664), (184, 113075081), (322, 64614332), (644, 32307166), (1288, 16153583), (2137, 9735992), (4274, 4867996), (7559, 2752456), (8548, 2433998), (14959, 1390856), (15118, 1376228), (17096, 1216999), (29918, 695428), (30236, 688114), (49151, 423304), (52913, 393208), (59836, 347714), (60472, 344057), (98302, 211652), (105826, 196604), (119672, 173857)]