20109894

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{937}}^1$

素因数の和:1029

約数の個数: 48

約数和(自身を含む): 47477808

約数和(自身を除く): 27367914

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 73, 98, 146, 147, 219, 294, 438, 511, 937, 1022, 1533, 1874, 2811, 3066, 3577, 5622, 6559, 7154, 10731, 13118, 19677, 21462, 39354, 45913, 68401, 91826, 136802, 137739, 205203, 275478, 410406, 478807, 957614, 1436421, 2872842, 3351649, 6703298, 10054947, 20109894]

約数ペア:

[(1, 20109894), (2, 10054947), (3, 6703298), (6, 3351649), (7, 2872842), (14, 1436421), (21, 957614), (42, 478807), (49, 410406), (73, 275478), (98, 205203), (146, 137739), (147, 136802), (219, 91826), (294, 68401), (438, 45913), (511, 39354), (937, 21462), (1022, 19677), (1533, 13118), (1874, 10731), (2811, 7154), (3066, 6559), (3577, 5622)]