20565767740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1879}}^1\times {\mathrm{78179}}^1$

素因数の和:80074

約数の個数: 48

約数和(自身を含む): 49384742400

約数和(自身を除く): 28818974660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1879, 3758, 7516, 9395, 13153, 18790, 26306, 37580, 52612, 65765, 78179, 131530, 156358, 263060, 312716, 390895, 547253, 781790, 1094506, 1563580, 2189012, 2736265, 5472530, 10945060, 146898341, 293796682, 587593364, 734491705, 1028288387, 1468983410, 2056576774, 2937966820, 4113153548, 5141441935, 10282883870, 20565767740]

約数ペア:

[(1, 20565767740), (2, 10282883870), (4, 5141441935), (5, 4113153548), (7, 2937966820), (10, 2056576774), (14, 1468983410), (20, 1028288387), (28, 734491705), (35, 587593364), (70, 293796682), (140, 146898341), (1879, 10945060), (3758, 5472530), (7516, 2736265), (9395, 2189012), (13153, 1563580), (18790, 1094506), (26306, 781790), (37580, 547253), (52612, 390895), (65765, 312716), (78179, 263060), (131530, 156358)]