20974572

素因数分解:

$2^2\times 3^3\times {\mathrm{157}}^1\times {\mathrm{1237}}^1$

素因数の和:1407

約数の個数: 48

約数和(自身を含む): 54769120

約数和(自身を除く): 33794548

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 157, 314, 471, 628, 942, 1237, 1413, 1884, 2474, 2826, 3711, 4239, 4948, 5652, 7422, 8478, 11133, 14844, 16956, 22266, 33399, 44532, 66798, 133596, 194209, 388418, 582627, 776836, 1165254, 1747881, 2330508, 3495762, 5243643, 6991524, 10487286, 20974572]

約数ペア:

[(1, 20974572), (2, 10487286), (3, 6991524), (4, 5243643), (6, 3495762), (9, 2330508), (12, 1747881), (18, 1165254), (27, 776836), (36, 582627), (54, 388418), (108, 194209), (157, 133596), (314, 66798), (471, 44532), (628, 33399), (942, 22266), (1237, 16956), (1413, 14844), (1884, 11133), (2474, 8478), (2826, 7422), (3711, 5652), (4239, 4948)]