20121120214

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2423}}^1\times {\mathrm{10303}}^1$

素因数の和:12772

約数の個数: 32

約数和(自身を含む): 33568948224

約数和(自身を除く): 13447828010

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 2423, 4846, 10303, 20606, 31499, 62998, 75113, 133939, 150226, 267878, 319393, 638786, 976469, 1952938, 4152109, 8304218, 24964169, 49928338, 324534197, 649068394, 773889239, 1547778478, 10060560107, 20121120214]

約数ペア:

[(1, 20121120214), (2, 10060560107), (13, 1547778478), (26, 773889239), (31, 649068394), (62, 324534197), (403, 49928338), (806, 24964169), (2423, 8304218), (4846, 4152109), (10303, 1952938), (20606, 976469), (31499, 638786), (62998, 319393), (75113, 267878), (133939, 150226)]