20102608

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{743}}^1$

素因数の和:859

約数の個数: 40

約数和(自身を含む): 41515200

約数和(自身を除く): 21412592

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 89, 152, 178, 304, 356, 712, 743, 1424, 1486, 1691, 2972, 3382, 5944, 6764, 11888, 13528, 14117, 27056, 28234, 56468, 66127, 112936, 132254, 225872, 264508, 529016, 1058032, 1256413, 2512826, 5025652, 10051304, 20102608]

約数ペア:

[(1, 20102608), (2, 10051304), (4, 5025652), (8, 2512826), (16, 1256413), (19, 1058032), (38, 529016), (76, 264508), (89, 225872), (152, 132254), (178, 112936), (304, 66127), (356, 56468), (712, 28234), (743, 27056), (1424, 14117), (1486, 13528), (1691, 11888), (2972, 6764), (3382, 5944)]