20188034384

素因数分解:

$2^4\times 7^1\times {\mathrm{397}}^1\times {\mathrm{454031}}^1$

素因数の和:454443

約数の個数: 40

約数和(自身を含む): 44814774528

約数和(自身を除く): 24626740144

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 397, 794, 1588, 2779, 3176, 5558, 6352, 11116, 22232, 44464, 454031, 908062, 1816124, 3178217, 3632248, 6356434, 7264496, 12712868, 25425736, 50851472, 180250307, 360500614, 721001228, 1261752149, 1442002456, 2523504298, 2884004912, 5047008596, 10094017192, 20188034384]

約数ペア:

[(1, 20188034384), (2, 10094017192), (4, 5047008596), (7, 2884004912), (8, 2523504298), (14, 1442002456), (16, 1261752149), (28, 721001228), (56, 360500614), (112, 180250307), (397, 50851472), (794, 25425736), (1588, 12712868), (2779, 7264496), (3176, 6356434), (5558, 3632248), (6352, 3178217), (11116, 1816124), (22232, 908062), (44464, 454031)]