20558642

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1109}}^1$

素因数の和:1178

約数の個数: 32

約数和(自身を含む): 35804160

約数和(自身を除く): 15245518

約数列:

[1, 2, 13, 23, 26, 31, 46, 62, 299, 403, 598, 713, 806, 1109, 1426, 2218, 9269, 14417, 18538, 25507, 28834, 34379, 51014, 68758, 331591, 446927, 663182, 790717, 893854, 1581434, 10279321, 20558642]

約数ペア:

[(1, 20558642), (2, 10279321), (13, 1581434), (23, 893854), (26, 790717), (31, 663182), (46, 446927), (62, 331591), (299, 68758), (403, 51014), (598, 34379), (713, 28834), (806, 25507), (1109, 18538), (1426, 14417), (2218, 9269)]