20971884

素因数分解:

$2^2\times 3^1\times {\mathrm{409}}^1\times {\mathrm{4273}}^1$

素因数の和:4689

約数の個数: 24

約数和(自身を含む): 49065520

約数和(自身を除く): 28093636

約数列:

[1, 2, 3, 4, 6, 12, 409, 818, 1227, 1636, 2454, 4273, 4908, 8546, 12819, 17092, 25638, 51276, 1747657, 3495314, 5242971, 6990628, 10485942, 20971884]

約数ペア:

[(1, 20971884), (2, 10485942), (3, 6990628), (4, 5242971), (6, 3495314), (12, 1747657), (409, 51276), (818, 25638), (1227, 17092), (1636, 12819), (2454, 8546), (4273, 4908)]