20330884

素因数分解:

$2^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{2207}}^1$

素因数の和:2272

約数の個数: 36

約数和(自身を含む): 42287616

約数和(自身を除く): 21956732

約数列:

[1, 2, 4, 7, 14, 28, 47, 49, 94, 98, 188, 196, 329, 658, 1316, 2207, 2303, 4414, 4606, 8828, 9212, 15449, 30898, 61796, 103729, 108143, 207458, 216286, 414916, 432572, 726103, 1452206, 2904412, 5082721, 10165442, 20330884]

約数ペア:

[(1, 20330884), (2, 10165442), (4, 5082721), (7, 2904412), (14, 1452206), (28, 726103), (47, 432572), (49, 414916), (94, 216286), (98, 207458), (188, 108143), (196, 103729), (329, 61796), (658, 30898), (1316, 15449), (2207, 9212), (2303, 8828), (4414, 4606)]