20451870558

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{293}}^1\times {\mathrm{553981}}^1$

素因数の和:554289

約数の個数: 48

約数和(自身を含む): 50815660896

約数和(自身を除く): 30363790338

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 293, 586, 879, 1758, 2051, 2637, 4102, 5274, 6153, 12306, 18459, 36918, 553981, 1107962, 1661943, 3323886, 3877867, 4985829, 7755734, 9971658, 11633601, 23267202, 34900803, 69801606, 162316433, 324632866, 486949299, 973898598, 1136215031, 1460847897, 2272430062, 2921695794, 3408645093, 6817290186, 10225935279, 20451870558]

約数ペア:

[(1, 20451870558), (2, 10225935279), (3, 6817290186), (6, 3408645093), (7, 2921695794), (9, 2272430062), (14, 1460847897), (18, 1136215031), (21, 973898598), (42, 486949299), (63, 324632866), (126, 162316433), (293, 69801606), (586, 34900803), (879, 23267202), (1758, 11633601), (2051, 9971658), (2637, 7755734), (4102, 4985829), (5274, 3877867), (6153, 3323886), (12306, 1661943), (18459, 1107962), (36918, 553981)]