20163619084

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{733}}^1\times {\mathrm{20903}}^1$

素因数の和:21694

約数の個数: 48

約数和(自身を含む): 41243424768

約数和(自身を除く): 21079805684

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 658, 733, 1316, 1466, 2932, 5131, 10262, 20524, 20903, 34451, 41806, 68902, 83612, 137804, 146321, 241157, 292642, 482314, 585284, 964628, 982441, 1964882, 3929764, 6877087, 13754174, 15321899, 27508348, 30643798, 61287596, 107253293, 214506586, 429013172, 720129253, 1440258506, 2880517012, 5040904771, 10081809542, 20163619084]

約数ペア:

[(1, 20163619084), (2, 10081809542), (4, 5040904771), (7, 2880517012), (14, 1440258506), (28, 720129253), (47, 429013172), (94, 214506586), (188, 107253293), (329, 61287596), (658, 30643798), (733, 27508348), (1316, 15321899), (1466, 13754174), (2932, 6877087), (5131, 3929764), (10262, 1964882), (20524, 982441), (20903, 964628), (34451, 585284), (41806, 482314), (68902, 292642), (83612, 241157), (137804, 146321)]