20467986

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{6329}}^1$

素因数の和:6359

約数の個数: 48

約数和(自身を含む): 51956640

約数和(自身を除く): 31488654

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 49, 66, 77, 98, 147, 154, 231, 294, 462, 539, 1078, 1617, 3234, 6329, 12658, 18987, 37974, 44303, 69619, 88606, 132909, 139238, 208857, 265818, 310121, 417714, 487333, 620242, 930363, 974666, 1461999, 1860726, 2923998, 3411331, 6822662, 10233993, 20467986]

約数ペア:

[(1, 20467986), (2, 10233993), (3, 6822662), (6, 3411331), (7, 2923998), (11, 1860726), (14, 1461999), (21, 974666), (22, 930363), (33, 620242), (42, 487333), (49, 417714), (66, 310121), (77, 265818), (98, 208857), (147, 139238), (154, 132909), (231, 88606), (294, 69619), (462, 44303), (539, 37974), (1078, 18987), (1617, 12658), (3234, 6329)]