20157501938

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{654167}}^1$

素因数の和:654278

約数の個数: 32

約数和(自身を含む): 36172873728

約数和(自身を除く): 16015371790

約数列:

[1, 2, 7, 14, 31, 62, 71, 142, 217, 434, 497, 994, 2201, 4402, 15407, 30814, 654167, 1308334, 4579169, 9158338, 20279177, 40558354, 46445857, 92891714, 141954239, 283908478, 325120999, 650241998, 1439821567, 2879643134, 10078750969, 20157501938]

約数ペア:

[(1, 20157501938), (2, 10078750969), (7, 2879643134), (14, 1439821567), (31, 650241998), (62, 325120999), (71, 283908478), (142, 141954239), (217, 92891714), (434, 46445857), (497, 40558354), (994, 20279177), (2201, 9158338), (4402, 4579169), (15407, 1308334), (30814, 654167)]