20804916416

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{10486349}}^1$

素因数の和:10486392

約数の個数: 28

約数和(自身を含む): 42616526400

約数和(自身を除く): 21811609984

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 248, 496, 992, 1984, 10486349, 20972698, 41945396, 83890792, 167781584, 325076819, 335563168, 650153638, 671126336, 1300307276, 2600614552, 5201229104, 10402458208, 20804916416]

約数ペア:

[(1, 20804916416), (2, 10402458208), (4, 5201229104), (8, 2600614552), (16, 1300307276), (31, 671126336), (32, 650153638), (62, 335563168), (64, 325076819), (124, 167781584), (248, 83890792), (496, 41945396), (992, 20972698), (1984, 10486349)]