67800020

素因数分解:

$2^2\times 5^1\times {\mathrm{727}}^1\times {\mathrm{4663}}^1$

素因数の和:5399

約数の個数: 24

約数和(自身を含む): 142606464

約数和(自身を除く): 74806444

約数列:

[1, 2, 4, 5, 10, 20, 727, 1454, 2908, 3635, 4663, 7270, 9326, 14540, 18652, 23315, 46630, 93260, 3390001, 6780002, 13560004, 16950005, 33900010, 67800020]

約数ペア:

[(1, 67800020), (2, 33900010), (4, 16950005), (5, 13560004), (10, 6780002), (20, 3390001), (727, 93260), (1454, 46630), (2908, 23315), (3635, 18652), (4663, 14540), (7270, 9326)]