20484394

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1453}}^1$

素因数の和:1534

約数の個数: 32

約数和(自身を含む): 37687680

約数和(自身を除く): 17203286

約数列:

[1, 2, 7, 14, 19, 38, 53, 106, 133, 266, 371, 742, 1007, 1453, 2014, 2906, 7049, 10171, 14098, 20342, 27607, 55214, 77009, 154018, 193249, 386498, 539063, 1078126, 1463171, 2926342, 10242197, 20484394]

約数ペア:

[(1, 20484394), (2, 10242197), (7, 2926342), (14, 1463171), (19, 1078126), (38, 539063), (53, 386498), (106, 193249), (133, 154018), (266, 77009), (371, 55214), (742, 27607), (1007, 20342), (1453, 14098), (2014, 10171), (2906, 7049)]