20922136

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{227}}^1\times {\mathrm{281}}^1$

素因数の和:555

約数の個数: 32

約数和(自身を含む): 40506480

約数和(自身を除く): 19584344

約数列:

[1, 2, 4, 8, 41, 82, 164, 227, 281, 328, 454, 562, 908, 1124, 1816, 2248, 9307, 11521, 18614, 23042, 37228, 46084, 63787, 74456, 92168, 127574, 255148, 510296, 2615267, 5230534, 10461068, 20922136]

約数ペア:

[(1, 20922136), (2, 10461068), (4, 5230534), (8, 2615267), (41, 510296), (82, 255148), (164, 127574), (227, 92168), (281, 74456), (328, 63787), (454, 46084), (562, 37228), (908, 23042), (1124, 18614), (1816, 11521), (2248, 9307)]