20699756

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{9601}}^1$

素因数の和:9630

約数の個数: 36

約数和(自身を含む): 45974376

約数和(自身を除く): 25274620

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 539, 1078, 2156, 9601, 19202, 38404, 67207, 105611, 134414, 211222, 268828, 422444, 470449, 739277, 940898, 1478554, 1881796, 2957108, 5174939, 10349878, 20699756]

約数ペア:

[(1, 20699756), (2, 10349878), (4, 5174939), (7, 2957108), (11, 1881796), (14, 1478554), (22, 940898), (28, 739277), (44, 470449), (49, 422444), (77, 268828), (98, 211222), (154, 134414), (196, 105611), (308, 67207), (539, 38404), (1078, 19202), (2156, 9601)]