20848436

素因数分解:

$2^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{7229}}^1$

素因数の和:7343

約数の個数: 24

約数和(自身を含む): 42107520

約数和(自身を除く): 21259084

約数列:

[1, 2, 4, 7, 14, 28, 103, 206, 412, 721, 1442, 2884, 7229, 14458, 28916, 50603, 101206, 202412, 744587, 1489174, 2978348, 5212109, 10424218, 20848436]

約数ペア:

[(1, 20848436), (2, 10424218), (4, 5212109), (7, 2978348), (14, 1489174), (28, 744587), (103, 202412), (206, 101206), (412, 50603), (721, 28916), (1442, 14458), (2884, 7229)]