20131781176

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6244349}}^1$

素因数の和:6244399

約数の個数: 32

約数和(自身を含む): 41962032000

約数和(自身を除く): 21830250824

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 6244349, 12488698, 24977396, 49954792, 81176537, 162353074, 193574819, 324706148, 387149638, 649412296, 774299276, 1548598552, 2516472647, 5032945294, 10065890588, 20131781176]

約数ペア:

[(1, 20131781176), (2, 10065890588), (4, 5032945294), (8, 2516472647), (13, 1548598552), (26, 774299276), (31, 649412296), (52, 387149638), (62, 324706148), (104, 193574819), (124, 162353074), (248, 81176537), (403, 49954792), (806, 24977396), (1612, 12488698), (3224, 6244349)]