20291244

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1987}}^1$

素因数の和:2054

約数の個数: 48

約数和(自身を含む): 50765568

約数和(自身を除く): 30474324

約数列:

[1, 2, 3, 4, 6, 12, 23, 37, 46, 69, 74, 92, 111, 138, 148, 222, 276, 444, 851, 1702, 1987, 2553, 3404, 3974, 5106, 5961, 7948, 10212, 11922, 23844, 45701, 73519, 91402, 137103, 147038, 182804, 220557, 274206, 294076, 441114, 548412, 882228, 1690937, 3381874, 5072811, 6763748, 10145622, 20291244]

約数ペア:

[(1, 20291244), (2, 10145622), (3, 6763748), (4, 5072811), (6, 3381874), (12, 1690937), (23, 882228), (37, 548412), (46, 441114), (69, 294076), (74, 274206), (92, 220557), (111, 182804), (138, 147038), (148, 137103), (222, 91402), (276, 73519), (444, 45701), (851, 23844), (1702, 11922), (1987, 10212), (2553, 7948), (3404, 5961), (3974, 5106)]