20091082018

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{106721}}^1$

素因数の和:106867

約数の個数: 48

約数和(自身を含む): 37447896024

約数和(自身を除く): 17356814006

約数列:

[1, 2, 7, 14, 17, 34, 49, 98, 113, 119, 226, 238, 791, 833, 1582, 1666, 1921, 3842, 5537, 11074, 13447, 26894, 94129, 106721, 188258, 213442, 747047, 1494094, 1814257, 3628514, 5229329, 10458658, 12059473, 12699799, 24118946, 25399598, 84416311, 88898593, 168832622, 177797186, 205011041, 410022082, 590914177, 1181828354, 1435077287, 2870154574, 10045541009, 20091082018]

約数ペア:

[(1, 20091082018), (2, 10045541009), (7, 2870154574), (14, 1435077287), (17, 1181828354), (34, 590914177), (49, 410022082), (98, 205011041), (113, 177797186), (119, 168832622), (226, 88898593), (238, 84416311), (791, 25399598), (833, 24118946), (1582, 12699799), (1666, 12059473), (1921, 10458658), (3842, 5229329), (5537, 3628514), (11074, 1814257), (13447, 1494094), (26894, 747047), (94129, 213442), (106721, 188258)]