20590388

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{8081}}^1$

素因数の和:8112

約数の個数: 36

約数和(自身を含む): 45146052

約数和(自身を除く): 24555664

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 364, 637, 1274, 2548, 8081, 16162, 32324, 56567, 105053, 113134, 210106, 226268, 395969, 420212, 735371, 791938, 1470742, 1583876, 2941484, 5147597, 10295194, 20590388]

約数ペア:

[(1, 20590388), (2, 10295194), (4, 5147597), (7, 2941484), (13, 1583876), (14, 1470742), (26, 791938), (28, 735371), (49, 420212), (52, 395969), (91, 226268), (98, 210106), (182, 113134), (196, 105053), (364, 56567), (637, 32324), (1274, 16162), (2548, 8081)]