20790896632

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{499493}}^1$

素因数の和:499564

約数の個数: 48

約数和(自身を含む): 43845583320

約数和(自身を除く): 23054686688

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 86, 88, 121, 172, 242, 344, 473, 484, 946, 968, 1892, 3784, 5203, 10406, 20812, 41624, 499493, 998986, 1997972, 3995944, 5494423, 10988846, 21478199, 21977692, 42956398, 43955384, 60438653, 85912796, 120877306, 171825592, 236260189, 241754612, 472520378, 483509224, 945040756, 1890081512, 2598862079, 5197724158, 10395448316, 20790896632]

約数ペア:

[(1, 20790896632), (2, 10395448316), (4, 5197724158), (8, 2598862079), (11, 1890081512), (22, 945040756), (43, 483509224), (44, 472520378), (86, 241754612), (88, 236260189), (121, 171825592), (172, 120877306), (242, 85912796), (344, 60438653), (473, 43955384), (484, 42956398), (946, 21977692), (968, 21478199), (1892, 10988846), (3784, 5494423), (5203, 3995944), (10406, 1997972), (20812, 998986), (41624, 499493)]