20681416

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{16057}}^1$

素因数の和:16093

約数の個数: 32

約数和(自身を含む): 46247040

約数和(自身を除く): 25565624

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 644, 1288, 16057, 32114, 64228, 112399, 128456, 224798, 369311, 449596, 738622, 899192, 1477244, 2585177, 2954488, 5170354, 10340708, 20681416]

約数ペア:

[(1, 20681416), (2, 10340708), (4, 5170354), (7, 2954488), (8, 2585177), (14, 1477244), (23, 899192), (28, 738622), (46, 449596), (56, 369311), (92, 224798), (161, 128456), (184, 112399), (322, 64228), (644, 32114), (1288, 16057)]