20778820151

素因数分解:

${\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{1607}}^1\times {\mathrm{2411}}^1$

素因数の和:4222

約数の個数: 16

約数和(自身を含む): 21595465728

約数和(自身を除く): 816645577

約数列:

[1, 31, 173, 1607, 2411, 5363, 49817, 74741, 278011, 417103, 3874477, 8618341, 12930193, 120108787, 670284521, 20778820151]

約数ペア:

[(1, 20778820151), (31, 670284521), (173, 120108787), (1607, 12930193), (2411, 8618341), (5363, 3874477), (49817, 417103), (74741, 278011)]