20196710960

素因数分解:

$2^4\times 5^1\times {\mathrm{5333}}^1\times {\mathrm{47339}}^1$

素因数の和:52685

約数の個数: 40

約数和(自身を含む): 46967150160

約数和(自身を除く): 26770439200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 5333, 10666, 21332, 26665, 42664, 47339, 53330, 85328, 94678, 106660, 189356, 213320, 236695, 378712, 426640, 473390, 757424, 946780, 1893560, 3787120, 252458887, 504917774, 1009835548, 1262294435, 2019671096, 2524588870, 4039342192, 5049177740, 10098355480, 20196710960]

約数ペア:

[(1, 20196710960), (2, 10098355480), (4, 5049177740), (5, 4039342192), (8, 2524588870), (10, 2019671096), (16, 1262294435), (20, 1009835548), (40, 504917774), (80, 252458887), (5333, 3787120), (10666, 1893560), (21332, 946780), (26665, 757424), (42664, 473390), (47339, 426640), (53330, 378712), (85328, 236695), (94678, 213320), (106660, 189356)]