20081886

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:365

約数の個数: 48

約数和(自身を含む): 44688000

約数和(自身を除く): 24606114

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 121, 139, 199, 242, 278, 363, 398, 417, 597, 726, 834, 1194, 1529, 2189, 3058, 4378, 4587, 6567, 9174, 13134, 16819, 24079, 27661, 33638, 48158, 50457, 55322, 72237, 82983, 100914, 144474, 165966, 304271, 608542, 912813, 1825626, 3346981, 6693962, 10040943, 20081886]

約数ペア:

[(1, 20081886), (2, 10040943), (3, 6693962), (6, 3346981), (11, 1825626), (22, 912813), (33, 608542), (66, 304271), (121, 165966), (139, 144474), (199, 100914), (242, 82983), (278, 72237), (363, 55322), (398, 50457), (417, 48158), (597, 33638), (726, 27661), (834, 24079), (1194, 16819), (1529, 13134), (2189, 9174), (3058, 6567), (4378, 4587)]