20161272660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1997}}^1\times {\mathrm{168263}}^1$

素因数の和:170272

約数の個数: 48

約数和(自身を含む): 56480167296

約数和(自身を除く): 36318894636

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1997, 3994, 5991, 7988, 9985, 11982, 19970, 23964, 29955, 39940, 59910, 119820, 168263, 336526, 504789, 673052, 841315, 1009578, 1682630, 2019156, 2523945, 3365260, 5047890, 10095780, 336021211, 672042422, 1008063633, 1344084844, 1680106055, 2016127266, 3360212110, 4032254532, 5040318165, 6720424220, 10080636330, 20161272660]

約数ペア:

[(1, 20161272660), (2, 10080636330), (3, 6720424220), (4, 5040318165), (5, 4032254532), (6, 3360212110), (10, 2016127266), (12, 1680106055), (15, 1344084844), (20, 1008063633), (30, 672042422), (60, 336021211), (1997, 10095780), (3994, 5047890), (5991, 3365260), (7988, 2523945), (9985, 2019156), (11982, 1682630), (19970, 1009578), (23964, 841315), (29955, 673052), (39940, 504789), (59910, 336526), (119820, 168263)]