20724864

素因数分解:

$2^7\times 3^1\times {\mathrm{31}}^1\times {\mathrm{1741}}^1$

素因数の和:1789

約数の個数: 64

約数和(自身を含む): 56858880

約数和(自身を除く): 36134016

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 93, 96, 124, 128, 186, 192, 248, 372, 384, 496, 744, 992, 1488, 1741, 1984, 2976, 3482, 3968, 5223, 5952, 6964, 10446, 11904, 13928, 20892, 27856, 41784, 53971, 55712, 83568, 107942, 111424, 161913, 167136, 215884, 222848, 323826, 334272, 431768, 647652, 668544, 863536, 1295304, 1727072, 2590608, 3454144, 5181216, 6908288, 10362432, 20724864]

約数ペア:

[(1, 20724864), (2, 10362432), (3, 6908288), (4, 5181216), (6, 3454144), (8, 2590608), (12, 1727072), (16, 1295304), (24, 863536), (31, 668544), (32, 647652), (48, 431768), (62, 334272), (64, 323826), (93, 222848), (96, 215884), (124, 167136), (128, 161913), (186, 111424), (192, 107942), (248, 83568), (372, 55712), (384, 53971), (496, 41784), (744, 27856), (992, 20892), (1488, 13928), (1741, 11904), (1984, 10446), (2976, 6964), (3482, 5952), (3968, 5223)]