23520020

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{10789}}^1$

素因数の和:10907

約数の個数: 24

約数和(自身を含む): 49849800

約数和(自身を除く): 26329780

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 10789, 21578, 43156, 53945, 107890, 215780, 1176001, 2352002, 4704004, 5880005, 11760010, 23520020]

約数ペア:

[(1, 23520020), (2, 11760010), (4, 5880005), (5, 4704004), (10, 2352002), (20, 1176001), (109, 215780), (218, 107890), (436, 53945), (545, 43156), (1090, 21578), (2180, 10789)]