20513342

素因数分解:

$2^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1\times {\mathrm{653}}^1$

素因数の和:907

約数の個数: 16

約数和(自身を含む): 31313520

約数和(自身を除く): 10800178

約数列:

[1, 2, 113, 139, 226, 278, 653, 1306, 15707, 31414, 73789, 90767, 147578, 181534, 10256671, 20513342]

約数ペア:

[(1, 20513342), (2, 10256671), (113, 181534), (139, 147578), (226, 90767), (278, 73789), (653, 31414), (1306, 15707)]