20501936

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{14081}}^1$

素因数の和:14109

約数の個数: 40

約数和(自身を含む): 48892704

約数和(自身を除く): 28390768

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 14081, 28162, 56324, 98567, 112648, 183053, 197134, 225296, 366106, 394268, 732212, 788536, 1281371, 1464424, 1577072, 2562742, 2928848, 5125484, 10250968, 20501936]

約数ペア:

[(1, 20501936), (2, 10250968), (4, 5125484), (7, 2928848), (8, 2562742), (13, 1577072), (14, 1464424), (16, 1281371), (26, 788536), (28, 732212), (52, 394268), (56, 366106), (91, 225296), (104, 197134), (112, 183053), (182, 112648), (208, 98567), (364, 56324), (728, 28162), (1456, 14081)]