20478648

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^2\times {\mathrm{1613}}^1$

素因数の和:1668

約数の個数: 48

約数和(自身を含む): 53552520

約数和(自身を除く): 33073872

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 69, 92, 138, 184, 276, 529, 552, 1058, 1587, 1613, 2116, 3174, 3226, 4232, 4839, 6348, 6452, 9678, 12696, 12904, 19356, 37099, 38712, 74198, 111297, 148396, 222594, 296792, 445188, 853277, 890376, 1706554, 2559831, 3413108, 5119662, 6826216, 10239324, 20478648]

約数ペア:

[(1, 20478648), (2, 10239324), (3, 6826216), (4, 5119662), (6, 3413108), (8, 2559831), (12, 1706554), (23, 890376), (24, 853277), (46, 445188), (69, 296792), (92, 222594), (138, 148396), (184, 111297), (276, 74198), (529, 38712), (552, 37099), (1058, 19356), (1587, 12904), (1613, 12696), (2116, 9678), (3174, 6452), (3226, 6348), (4232, 4839)]