20131340978

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5227}}^1\times {\mathrm{14479}}^1$

素因数の和:19734

約数の個数: 32

約数和(自身を含む): 36336691200

約数和(自身を除く): 16205350222

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 5227, 10454, 14479, 28958, 36589, 73178, 99313, 101353, 198626, 202706, 275101, 550202, 695191, 1390382, 1925707, 3851414, 75681733, 151363466, 529772131, 1059544262, 1437952927, 2875905854, 10065670489, 20131340978]

約数ペア:

[(1, 20131340978), (2, 10065670489), (7, 2875905854), (14, 1437952927), (19, 1059544262), (38, 529772131), (133, 151363466), (266, 75681733), (5227, 3851414), (10454, 1925707), (14479, 1390382), (28958, 695191), (36589, 550202), (73178, 275101), (99313, 202706), (101353, 198626)]