2021878420

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{944803}}^1$

素因数の和:944919

約数の個数: 24

約数和(自身を含む): 4285630944

約数和(自身を除く): 2263752524

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 944803, 1889606, 3779212, 4724015, 9448030, 18896060, 101093921, 202187842, 404375684, 505469605, 1010939210, 2021878420]

約数ペア:

[(1, 2021878420), (2, 1010939210), (4, 505469605), (5, 404375684), (10, 202187842), (20, 101093921), (107, 18896060), (214, 9448030), (428, 4724015), (535, 3779212), (1070, 1889606), (2140, 944803)]