20541742

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{6221}}^1$

素因数の和:6363

約数の個数: 16

約数和(自身を含む): 33449472

約数和(自身を除く): 12907730

約数列:

[1, 2, 13, 26, 127, 254, 1651, 3302, 6221, 12442, 80873, 161746, 790067, 1580134, 10270871, 20541742]

約数ペア:

[(1, 20541742), (2, 10270871), (13, 1580134), (26, 790067), (127, 161746), (254, 80873), (1651, 12442), (3302, 6221)]