20393572

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{211}}^1\times {\mathrm{331}}^1$

素因数の和:619

約数の個数: 24

約数和(自身を含む): 36458912

約数和(自身を除く): 16065340

約数列:

[1, 2, 4, 73, 146, 211, 292, 331, 422, 662, 844, 1324, 15403, 24163, 30806, 48326, 61612, 69841, 96652, 139682, 279364, 5098393, 10196786, 20393572]

約数ペア:

[(1, 20393572), (2, 10196786), (4, 5098393), (73, 279364), (146, 139682), (211, 96652), (292, 69841), (331, 61612), (422, 48326), (662, 30806), (844, 24163), (1324, 15403)]