2015750020

素因数分解:

$2^2\times 5^1\times {\mathrm{353}}^1\times {\mathrm{285517}}^1$

素因数の和:285879

約数の個数: 24

約数和(自身を含む): 4245081624

約数和(自身を除く): 2229331604

約数列:

[1, 2, 4, 5, 10, 20, 353, 706, 1412, 1765, 3530, 7060, 285517, 571034, 1142068, 1427585, 2855170, 5710340, 100787501, 201575002, 403150004, 503937505, 1007875010, 2015750020]

約数ペア:

[(1, 2015750020), (2, 1007875010), (4, 503937505), (5, 403150004), (10, 201575002), (20, 100787501), (353, 5710340), (706, 2855170), (1412, 1427585), (1765, 1142068), (3530, 571034), (7060, 285517)]