20504556

素因数分解:

$2^2\times 3^3\times {\mathrm{373}}^1\times {\mathrm{509}}^1$

素因数の和:895

約数の個数: 48

約数和(自身を含む): 53407200

約数和(自身を除く): 32902644

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 373, 509, 746, 1018, 1119, 1492, 1527, 2036, 2238, 3054, 3357, 4476, 4581, 6108, 6714, 9162, 10071, 13428, 13743, 18324, 20142, 27486, 40284, 54972, 189857, 379714, 569571, 759428, 1139142, 1708713, 2278284, 3417426, 5126139, 6834852, 10252278, 20504556]

約数ペア:

[(1, 20504556), (2, 10252278), (3, 6834852), (4, 5126139), (6, 3417426), (9, 2278284), (12, 1708713), (18, 1139142), (27, 759428), (36, 569571), (54, 379714), (108, 189857), (373, 54972), (509, 40284), (746, 27486), (1018, 20142), (1119, 18324), (1492, 13743), (1527, 13428), (2036, 10071), (2238, 9162), (3054, 6714), (3357, 6108), (4476, 4581)]