20945649

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{6961}}^1$

素因数の和:7040

約数の個数: 16

約数和(自身を含む): 30075840

約数和(自身を除く): 9130191

約数列:

[1, 3, 17, 51, 59, 177, 1003, 3009, 6961, 20883, 118337, 355011, 410699, 1232097, 6981883, 20945649]

約数ペア:

[(1, 20945649), (3, 6981883), (17, 1232097), (51, 410699), (59, 355011), (177, 118337), (1003, 20883), (3009, 6961)]