20938688

素因数分解:

$2^6\times {\mathrm{47}}^1\times {\mathrm{6961}}^1$

素因数の和:7020

約数の個数: 28

約数和(自身を含む): 42440352

約数和(自身を除く): 21501664

約数列:

[1, 2, 4, 8, 16, 32, 47, 64, 94, 188, 376, 752, 1504, 3008, 6961, 13922, 27844, 55688, 111376, 222752, 327167, 445504, 654334, 1308668, 2617336, 5234672, 10469344, 20938688]

約数ペア:

[(1, 20938688), (2, 10469344), (4, 5234672), (8, 2617336), (16, 1308668), (32, 654334), (47, 445504), (64, 327167), (94, 222752), (188, 111376), (376, 55688), (752, 27844), (1504, 13922), (3008, 6961)]