20159678

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{18701}}^1$

素因数の和:18728

約数の個数: 24

約数和(自身を含む): 38376504

約数和(自身を除く): 18216826

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 539, 1078, 18701, 37402, 130907, 205711, 261814, 411422, 916349, 1439977, 1832698, 2879954, 10079839, 20159678]

約数ペア:

[(1, 20159678), (2, 10079839), (7, 2879954), (11, 1832698), (14, 1439977), (22, 916349), (49, 411422), (77, 261814), (98, 205711), (154, 130907), (539, 37402), (1078, 18701)]