20178558543

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2475593}}^1$

素因数の和:2475639

約数の個数: 32

約数和(自身を含む): 33271983360

約数和(自身を除く): 13093424817

約数列:

[1, 3, 11, 13, 19, 33, 39, 57, 143, 209, 247, 429, 627, 741, 2717, 8151, 2475593, 7426779, 27231523, 32182709, 47036267, 81694569, 96548127, 141108801, 354009799, 517398937, 611471471, 1062029397, 1552196811, 1834414413, 6726186181, 20178558543]

約数ペア:

[(1, 20178558543), (3, 6726186181), (11, 1834414413), (13, 1552196811), (19, 1062029397), (33, 611471471), (39, 517398937), (57, 354009799), (143, 141108801), (209, 96548127), (247, 81694569), (429, 47036267), (627, 32182709), (741, 27231523), (2717, 7426779), (8151, 2475593)]