20642356

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{10099}}^1$

素因数の和:10183

約数の個数: 24

約数和(自身を含む): 41854400

約数和(自身を除く): 21212044

約数列:

[1, 2, 4, 7, 14, 28, 73, 146, 292, 511, 1022, 2044, 10099, 20198, 40396, 70693, 141386, 282772, 737227, 1474454, 2948908, 5160589, 10321178, 20642356]

約数ペア:

[(1, 20642356), (2, 10321178), (4, 5160589), (7, 2948908), (14, 1474454), (28, 737227), (73, 282772), (146, 141386), (292, 70693), (511, 40396), (1022, 20198), (2044, 10099)]