20408800895

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{5197}}^1$

素因数の和:5364

約数の個数: 64

約数和(自身を含む): 29910539520

約数和(自身を除く): 9501738625

約数列:

[1, 5, 7, 29, 35, 53, 73, 145, 203, 265, 365, 371, 511, 1015, 1537, 1855, 2117, 2555, 3869, 5197, 7685, 10585, 10759, 14819, 19345, 25985, 27083, 36379, 53795, 74095, 112201, 135415, 150713, 181895, 275441, 379381, 561005, 753565, 785407, 1054991, 1377205, 1896905, 1928087, 2655667, 3927035, 5274955, 7987789, 9640435, 11002049, 13278335, 20107193, 39938945, 55010245, 55914523, 77014343, 100535965, 140750351, 279572615, 385071715, 583108597, 703751755, 2915542985, 4081760179, 20408800895]

約数ペア:

[(1, 20408800895), (5, 4081760179), (7, 2915542985), (29, 703751755), (35, 583108597), (53, 385071715), (73, 279572615), (145, 140750351), (203, 100535965), (265, 77014343), (365, 55914523), (371, 55010245), (511, 39938945), (1015, 20107193), (1537, 13278335), (1855, 11002049), (2117, 9640435), (2555, 7987789), (3869, 5274955), (5197, 3927035), (7685, 2655667), (10585, 1928087), (10759, 1896905), (14819, 1377205), (19345, 1054991), (25985, 785407), (27083, 753565), (36379, 561005), (53795, 379381), (74095, 275441), (112201, 181895), (135415, 150713)]