200820212

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{635507}}^1$

素因数の和:635590

約数の個数: 12

約数和(自身を含む): 355884480

約数和(自身を除く): 155064268

約数列:

[1, 2, 4, 79, 158, 316, 635507, 1271014, 2542028, 50205053, 100410106, 200820212]

約数ペア:

[(1, 200820212), (2, 100410106), (4, 50205053), (79, 2542028), (158, 1271014), (316, 635507)]