20835366910

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{643}}^1\times {\mathrm{104527}}^1$

素因数の和:105208

約数の個数: 32

約数和(自身を含む): 38774034432

約数和(自身を除く): 17938667522

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 643, 1286, 3215, 6430, 19933, 39866, 99665, 104527, 199330, 209054, 522635, 1045270, 3240337, 6480674, 16201685, 32403370, 67210861, 134421722, 336054305, 672108610, 2083536691, 4167073382, 10417683455, 20835366910]

約数ペア:

[(1, 20835366910), (2, 10417683455), (5, 4167073382), (10, 2083536691), (31, 672108610), (62, 336054305), (155, 134421722), (310, 67210861), (643, 32403370), (1286, 16201685), (3215, 6480674), (6430, 3240337), (19933, 1045270), (39866, 522635), (99665, 209054), (104527, 199330)]