20993098

素因数分解:

$2^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{9551}}^1$

素因数の和:9717

約数の個数: 16

約数和(自身を含む): 36221184

約数和(自身を除く): 15228086

約数列:

[1, 2, 7, 14, 157, 314, 1099, 2198, 9551, 19102, 66857, 133714, 1499507, 2999014, 10496549, 20993098]

約数ペア:

[(1, 20993098), (2, 10496549), (7, 2999014), (14, 1499507), (157, 133714), (314, 66857), (1099, 19102), (2198, 9551)]