20666751321

素因数分解:

$3^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{519487}}^1$

素因数の和:519728

約数の個数: 16

約数和(自身を含む): 28052352000

約数和(自身を除く): 7385600679

約数列:

[1, 3, 89, 149, 267, 447, 13261, 39783, 519487, 1558461, 46234343, 77403563, 138703029, 232210689, 6888917107, 20666751321]

約数ペア:

[(1, 20666751321), (3, 6888917107), (89, 232210689), (149, 138703029), (267, 77403563), (447, 46234343), (13261, 1558461), (39783, 519487)]