20620700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{10853}}^1$

素因数の和:10886

約数の個数: 36

約数和(自身を含む): 47106360

約数和(自身を除く): 26485660

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 10853, 21706, 43412, 54265, 108530, 206207, 217060, 271325, 412414, 542650, 824828, 1031035, 1085300, 2062070, 4124140, 5155175, 10310350, 20620700]

約数ペア:

[(1, 20620700), (2, 10310350), (4, 5155175), (5, 4124140), (10, 2062070), (19, 1085300), (20, 1031035), (25, 824828), (38, 542650), (50, 412414), (76, 271325), (95, 217060), (100, 206207), (190, 108530), (380, 54265), (475, 43412), (950, 21706), (1900, 10853)]