20054718

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{373}}^1$

素因数の和:513

約数の個数: 48

約数和(自身を含む): 45508320

約数和(自身を除く): 25453602

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 103, 174, 206, 261, 309, 373, 522, 618, 746, 927, 1119, 1854, 2238, 2987, 3357, 5974, 6714, 8961, 10817, 17922, 21634, 26883, 32451, 38419, 53766, 64902, 76838, 97353, 115257, 194706, 230514, 345771, 691542, 1114151, 2228302, 3342453, 6684906, 10027359, 20054718]

約数ペア:

[(1, 20054718), (2, 10027359), (3, 6684906), (6, 3342453), (9, 2228302), (18, 1114151), (29, 691542), (58, 345771), (87, 230514), (103, 194706), (174, 115257), (206, 97353), (261, 76838), (309, 64902), (373, 53766), (522, 38419), (618, 32451), (746, 26883), (927, 21634), (1119, 17922), (1854, 10817), (2238, 8961), (2987, 6714), (3357, 5974)]