20725188

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{797}}^1$

素因数の和:1012

約数の個数: 48

約数和(自身を含む): 53089344

約数和(自身を除く): 32364156

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 197, 394, 591, 788, 797, 1182, 1594, 2167, 2364, 2391, 3188, 4334, 4782, 6501, 8668, 8767, 9564, 13002, 17534, 26004, 26301, 35068, 52602, 105204, 157009, 314018, 471027, 628036, 942054, 1727099, 1884108, 3454198, 5181297, 6908396, 10362594, 20725188]

約数ペア:

[(1, 20725188), (2, 10362594), (3, 6908396), (4, 5181297), (6, 3454198), (11, 1884108), (12, 1727099), (22, 942054), (33, 628036), (44, 471027), (66, 314018), (132, 157009), (197, 105204), (394, 52602), (591, 35068), (788, 26301), (797, 26004), (1182, 17534), (1594, 13002), (2167, 9564), (2364, 8767), (2391, 8668), (3188, 6501), (4334, 4782)]