20187565539

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{701}}^1\times {\mathrm{2551}}^1$

素因数の和:3379

約数の個数: 32

約数和(自身を含む): 27861470208

約数和(自身を除く): 7673904669

約数列:

[1, 3, 53, 71, 159, 213, 701, 2103, 2551, 3763, 7653, 11289, 37153, 49771, 111459, 135203, 149313, 181121, 405609, 543363, 1788251, 2637863, 5364753, 7913589, 9599413, 28798239, 94777303, 126965821, 284331909, 380897463, 6729188513, 20187565539]

約数ペア:

[(1, 20187565539), (3, 6729188513), (53, 380897463), (71, 284331909), (159, 126965821), (213, 94777303), (701, 28798239), (2103, 9599413), (2551, 7913589), (3763, 5364753), (7653, 2637863), (11289, 1788251), (37153, 543363), (49771, 405609), (111459, 181121), (135203, 149313)]