20199290994

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{516421}}^1$

素因数の和:516523

約数の個数: 48

約数和(自身を含む): 45678558744

約数和(自身を除く): 25479267750

約数列:

[1, 2, 3, 6, 9, 18, 41, 53, 82, 106, 123, 159, 246, 318, 369, 477, 738, 954, 2173, 4346, 6519, 13038, 19557, 39114, 516421, 1032842, 1549263, 3098526, 4647789, 9295578, 21173261, 27370313, 42346522, 54740626, 63519783, 82110939, 127039566, 164221878, 190559349, 246332817, 381118698, 492665634, 1122182833, 2244365666, 3366548499, 6733096998, 10099645497, 20199290994]

約数ペア:

[(1, 20199290994), (2, 10099645497), (3, 6733096998), (6, 3366548499), (9, 2244365666), (18, 1122182833), (41, 492665634), (53, 381118698), (82, 246332817), (106, 190559349), (123, 164221878), (159, 127039566), (246, 82110939), (318, 63519783), (369, 54740626), (477, 42346522), (738, 27370313), (954, 21173261), (2173, 9295578), (4346, 4647789), (6519, 3098526), (13038, 1549263), (19557, 1032842), (39114, 516421)]