20681958

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{7643}}^1$

素因数の和:7700

約数の個数: 32

約数和(自身を含む): 46230912

約数和(自身を除く): 25548954

約数列:

[1, 2, 3, 6, 11, 22, 33, 41, 66, 82, 123, 246, 451, 902, 1353, 2706, 7643, 15286, 22929, 45858, 84073, 168146, 252219, 313363, 504438, 626726, 940089, 1880178, 3446993, 6893986, 10340979, 20681958]

約数ペア:

[(1, 20681958), (2, 10340979), (3, 6893986), (6, 3446993), (11, 1880178), (22, 940089), (33, 626726), (41, 504438), (66, 313363), (82, 252219), (123, 168146), (246, 84073), (451, 45858), (902, 22929), (1353, 15286), (2706, 7643)]