20805124540

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{233}}^1\times {\mathrm{46027}}^1$

素因数の和:46366

約数の個数: 48

約数和(自身を含む): 44331592032

約数和(自身を除く): 23526467492

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 233, 388, 466, 485, 932, 970, 1165, 1940, 2330, 4660, 22601, 45202, 46027, 90404, 92054, 113005, 184108, 226010, 230135, 452020, 460270, 920540, 4464619, 8929238, 10724291, 17858476, 21448582, 22323095, 42897164, 44646190, 53621455, 89292380, 107242910, 214485820, 1040256227, 2080512454, 4161024908, 5201281135, 10402562270, 20805124540]

約数ペア:

[(1, 20805124540), (2, 10402562270), (4, 5201281135), (5, 4161024908), (10, 2080512454), (20, 1040256227), (97, 214485820), (194, 107242910), (233, 89292380), (388, 53621455), (466, 44646190), (485, 42897164), (932, 22323095), (970, 21448582), (1165, 17858476), (1940, 10724291), (2330, 8929238), (4660, 4464619), (22601, 920540), (45202, 460270), (46027, 452020), (90404, 230135), (92054, 226010), (113005, 184108)]