20189746664

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{307733}}^1$

素因数の和:307937

約数の個数: 32

約数和(自身を含む): 38774484000

約数和(自身を除く): 18584737336

約数列:

[1, 2, 4, 8, 59, 118, 139, 236, 278, 472, 556, 1112, 8201, 16402, 32804, 65608, 307733, 615466, 1230932, 2461864, 18156247, 36312494, 42774887, 72624988, 85549774, 145249976, 171099548, 342199096, 2523718333, 5047436666, 10094873332, 20189746664]

約数ペア:

[(1, 20189746664), (2, 10094873332), (4, 5047436666), (8, 2523718333), (59, 342199096), (118, 171099548), (139, 145249976), (236, 85549774), (278, 72624988), (472, 42774887), (556, 36312494), (1112, 18156247), (8201, 2461864), (16402, 1230932), (32804, 615466), (65608, 307733)]