20719036

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{12853}}^1$

素因数の和:12901

約数の個数: 24

約数和(自身を含む): 40310144

約数和(自身を除く): 19591108

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 12853, 25706, 51412, 167089, 334178, 398443, 668356, 796886, 1593772, 5179759, 10359518, 20719036]

約数ペア:

[(1, 20719036), (2, 10359518), (4, 5179759), (13, 1593772), (26, 796886), (31, 668356), (52, 398443), (62, 334178), (124, 167089), (403, 51412), (806, 25706), (1612, 12853)]