2013500020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{3307}}^1\times {\mathrm{4349}}^1$

素因数の和:7672

約数の個数: 48

約数和(自身を含む): 4834972800

約数和(自身を除く): 2821472780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 3307, 4349, 6614, 8698, 13228, 16535, 17396, 21745, 23149, 30443, 33070, 43490, 46298, 60886, 66140, 86980, 92596, 115745, 121772, 152215, 231490, 304430, 462980, 608860, 14382143, 28764286, 57528572, 71910715, 100675001, 143821430, 201350002, 287642860, 402700004, 503375005, 1006750010, 2013500020]

約数ペア:

[(1, 2013500020), (2, 1006750010), (4, 503375005), (5, 402700004), (7, 287642860), (10, 201350002), (14, 143821430), (20, 100675001), (28, 71910715), (35, 57528572), (70, 28764286), (140, 14382143), (3307, 608860), (4349, 462980), (6614, 304430), (8698, 231490), (13228, 152215), (16535, 121772), (17396, 115745), (21745, 92596), (23149, 86980), (30443, 66140), (33070, 60886), (43490, 46298)]