20743143670

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{542021}}^1$

素因数の和:542160

約数の個数: 32

約数和(自身を含む): 38635328160

約数和(自身を除く): 17892184490

約数列:

[1, 2, 5, 10, 43, 86, 89, 178, 215, 430, 445, 890, 3827, 7654, 19135, 38270, 542021, 1084042, 2710105, 5420210, 23306903, 46613806, 48239869, 96479738, 116534515, 233069030, 241199345, 482398690, 2074314367, 4148628734, 10371571835, 20743143670]

約数ペア:

[(1, 20743143670), (2, 10371571835), (5, 4148628734), (10, 2074314367), (43, 482398690), (86, 241199345), (89, 233069030), (178, 116534515), (215, 96479738), (430, 48239869), (445, 46613806), (890, 23306903), (3827, 5420210), (7654, 2710105), (19135, 1084042), (38270, 542021)]