20206680988

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{4918861}}^1$

素因数の和:4918957

約数の個数: 24

約数和(自身を含む): 38563878080

約数和(自身を除く): 18357197092

約数列:

[1, 2, 4, 13, 26, 52, 79, 158, 316, 1027, 2054, 4108, 4918861, 9837722, 19675444, 63945193, 127890386, 255780772, 388590019, 777180038, 1554360076, 5051670247, 10103340494, 20206680988]

約数ペア:

[(1, 20206680988), (2, 10103340494), (4, 5051670247), (13, 1554360076), (26, 777180038), (52, 388590019), (79, 255780772), (158, 127890386), (316, 63945193), (1027, 19675444), (2054, 9837722), (4108, 4918861)]