20163184

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{283}}^1$

素因数の和:425

約数の個数: 40

約数和(自身を含む): 40392752

約数和(自身を除く): 20229568

約数列:

[1, 2, 4, 8, 16, 61, 73, 122, 146, 244, 283, 292, 488, 566, 584, 976, 1132, 1168, 2264, 4453, 4528, 8906, 17263, 17812, 20659, 34526, 35624, 41318, 69052, 71248, 82636, 138104, 165272, 276208, 330544, 1260199, 2520398, 5040796, 10081592, 20163184]

約数ペア:

[(1, 20163184), (2, 10081592), (4, 5040796), (8, 2520398), (16, 1260199), (61, 330544), (73, 276208), (122, 165272), (146, 138104), (244, 82636), (283, 71248), (292, 69052), (488, 41318), (566, 35624), (584, 34526), (976, 20659), (1132, 17812), (1168, 17263), (2264, 8906), (4453, 4528)]