20889780489

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{34057}}^1$

素因数の和:34310

約数の個数: 48

約数和(自身を含む): 33790985280

約数和(自身を除く): 12901204791

約数列:

[1, 3, 9, 17, 19, 51, 57, 153, 171, 211, 323, 633, 969, 1899, 2907, 3587, 4009, 10761, 12027, 32283, 34057, 36081, 68153, 102171, 204459, 306513, 578969, 613377, 647083, 1736907, 1941249, 5210721, 5823747, 7186027, 11000411, 21558081, 33001233, 64674243, 99003699, 122162459, 136534513, 366487377, 409603539, 1099462131, 1228810617, 2321086721, 6963260163, 20889780489]

約数ペア:

[(1, 20889780489), (3, 6963260163), (9, 2321086721), (17, 1228810617), (19, 1099462131), (51, 409603539), (57, 366487377), (153, 136534513), (171, 122162459), (211, 99003699), (323, 64674243), (633, 33001233), (969, 21558081), (1899, 11000411), (2907, 7186027), (3587, 5823747), (4009, 5210721), (10761, 1941249), (12027, 1736907), (32283, 647083), (34057, 613377), (36081, 578969), (68153, 306513), (102171, 204459)]