20786052

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{701}}^1$

素因数の和:1068

約数の個数: 48

約数和(自身を含む): 55665792

約数和(自身を除く): 34879740

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 353, 701, 706, 1059, 1402, 1412, 2103, 2118, 2471, 2804, 4206, 4236, 4907, 4942, 7413, 8412, 9814, 9884, 14721, 14826, 19628, 29442, 29652, 58884, 247453, 494906, 742359, 989812, 1484718, 1732171, 2969436, 3464342, 5196513, 6928684, 10393026, 20786052]

約数ペア:

[(1, 20786052), (2, 10393026), (3, 6928684), (4, 5196513), (6, 3464342), (7, 2969436), (12, 1732171), (14, 1484718), (21, 989812), (28, 742359), (42, 494906), (84, 247453), (353, 58884), (701, 29652), (706, 29442), (1059, 19628), (1402, 14826), (1412, 14721), (2103, 9884), (2118, 9814), (2471, 8412), (2804, 7413), (4206, 4942), (4236, 4907)]