20447884

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{239}}^1\times {\mathrm{293}}^1$

素因数の和:609

約数の個数: 24

約数和(自身を含む): 36550080

約数和(自身を除く): 16102196

約数列:

[1, 2, 4, 73, 146, 239, 292, 293, 478, 586, 956, 1172, 17447, 21389, 34894, 42778, 69788, 70027, 85556, 140054, 280108, 5111971, 10223942, 20447884]

約数ペア:

[(1, 20447884), (2, 10223942), (4, 5111971), (73, 280108), (146, 140054), (239, 85556), (292, 70027), (293, 69788), (478, 42778), (586, 34894), (956, 21389), (1172, 17447)]