20512496706

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{676043}}^1$

素因数の和:676450

約数の個数: 32

約数和(自身を含む): 44294402880

約数和(自身を除く): 23781906174

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 389, 778, 1167, 2334, 5057, 10114, 15171, 30342, 676043, 1352086, 2028129, 4056258, 8788559, 17577118, 26365677, 52731354, 262980727, 525961454, 788942181, 1577884362, 3418749451, 6837498902, 10256248353, 20512496706]

約数ペア:

[(1, 20512496706), (2, 10256248353), (3, 6837498902), (6, 3418749451), (13, 1577884362), (26, 788942181), (39, 525961454), (78, 262980727), (389, 52731354), (778, 26365677), (1167, 17577118), (2334, 8788559), (5057, 4056258), (10114, 2028129), (15171, 1352086), (30342, 676043)]