20169718910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{439}}^1\times {\mathrm{1873}}^1$

素因数の和:2553

約数の個数: 64

約数和(自身を含む): 39895511040

約数和(自身を除く): 19725792130

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 223, 439, 446, 878, 1115, 1873, 2195, 2230, 2453, 3746, 4390, 4829, 4906, 9365, 9658, 12265, 18730, 20603, 24145, 24530, 41206, 48290, 97897, 103015, 195794, 206030, 417679, 489485, 822247, 835358, 978970, 1076867, 1644494, 2088395, 2153734, 4111235, 4176790, 4594469, 5384335, 8222470, 9044717, 9188938, 10768670, 18089434, 22972345, 45223585, 45944690, 90447170, 183361081, 366722162, 916805405, 1833610810, 2016971891, 4033943782, 10084859455, 20169718910]

約数ペア:

[(1, 20169718910), (2, 10084859455), (5, 4033943782), (10, 2016971891), (11, 1833610810), (22, 916805405), (55, 366722162), (110, 183361081), (223, 90447170), (439, 45944690), (446, 45223585), (878, 22972345), (1115, 18089434), (1873, 10768670), (2195, 9188938), (2230, 9044717), (2453, 8222470), (3746, 5384335), (4390, 4594469), (4829, 4176790), (4906, 4111235), (9365, 2153734), (9658, 2088395), (12265, 1644494), (18730, 1076867), (20603, 978970), (24145, 835358), (24530, 822247), (41206, 489485), (48290, 417679), (97897, 206030), (103015, 195794)]