20978826

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{6763}}^1$

素因数の和:6826

約数の個数: 32

約数和(自身を含む): 46752768

約数和(自身を除く): 25773942

約数列:

[1, 2, 3, 6, 11, 22, 33, 47, 66, 94, 141, 282, 517, 1034, 1551, 3102, 6763, 13526, 20289, 40578, 74393, 148786, 223179, 317861, 446358, 635722, 953583, 1907166, 3496471, 6992942, 10489413, 20978826]

約数ペア:

[(1, 20978826), (2, 10489413), (3, 6992942), (6, 3496471), (11, 1907166), (22, 953583), (33, 635722), (47, 446358), (66, 317861), (94, 223179), (141, 148786), (282, 74393), (517, 40578), (1034, 20289), (1551, 13526), (3102, 6763)]