20176905952

素因数分解:

$2^5\times 7^1\times {\mathrm{653}}^1\times {\mathrm{137941}}^1$

素因数の和:138611

約数の個数: 48

約数和(自身を含む): 45467890272

約数和(自身を除く): 25290984320

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 653, 1306, 2612, 4571, 5224, 9142, 10448, 18284, 20896, 36568, 73136, 137941, 146272, 275882, 551764, 965587, 1103528, 1931174, 2207056, 3862348, 4414112, 7724696, 15449392, 30898784, 90075473, 180150946, 360301892, 630528311, 720603784, 1261056622, 1441207568, 2522113244, 2882415136, 5044226488, 10088452976, 20176905952]

約数ペア:

[(1, 20176905952), (2, 10088452976), (4, 5044226488), (7, 2882415136), (8, 2522113244), (14, 1441207568), (16, 1261056622), (28, 720603784), (32, 630528311), (56, 360301892), (112, 180150946), (224, 90075473), (653, 30898784), (1306, 15449392), (2612, 7724696), (4571, 4414112), (5224, 3862348), (9142, 2207056), (10448, 1931174), (18284, 1103528), (20896, 965587), (36568, 551764), (73136, 275882), (137941, 146272)]