20218526504

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{509}}^1\times {\mathrm{451387}}^1$

素因数の和:451913

約数の個数: 32

約数和(自身を含む): 41437418400

約数和(自身を除く): 21218891896

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 509, 1018, 2036, 4072, 5599, 11198, 22396, 44792, 451387, 902774, 1805548, 3611096, 4965257, 9930514, 19861028, 39722056, 229755983, 459511966, 919023932, 1838047864, 2527315813, 5054631626, 10109263252, 20218526504]

約数ペア:

[(1, 20218526504), (2, 10109263252), (4, 5054631626), (8, 2527315813), (11, 1838047864), (22, 919023932), (44, 459511966), (88, 229755983), (509, 39722056), (1018, 19861028), (2036, 9930514), (4072, 4965257), (5599, 3611096), (11198, 1805548), (22396, 902774), (44792, 451387)]