20866130

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{50893}}^1$

素因数の和:50941

約数の個数: 16

約数和(自身を含む): 38475864

約数和(自身を除く): 17609734

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 50893, 101786, 254465, 508930, 2086613, 4173226, 10433065, 20866130]

約数ペア:

[(1, 20866130), (2, 10433065), (5, 4173226), (10, 2086613), (41, 508930), (82, 254465), (205, 101786), (410, 50893)]